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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 39797. Отображено 100.
10-02-2015 дата публикации

Предохранительный кожух для металлообрабатывающих машин

Номер: RU0000150198U1
Автор: Венцислав Крумов КРУМОВ
Принадлежит: "Спарки Елтос" АД

1. Металлообрабатывающая машина с предохранительным кожухом, содержащая сегментный корпус, по периферии которого выполнена окантовка, а в центральной части сегментного корпуса выполнен присоединительный диск с несимметрично расположенными внутренними зубьями, а с внешней стороны сегментного корпуса прикреплен профилированный фланец, на котором по цилиндрической поверхности выполнены прямоугольные зубья, при этом на верхнем краю присоединительной поверхности рабочей головки машины выполнены несимметрично расположенные ограничительные срезы, а на присоединительной поверхности рабочей головки машины выполнен продольный канал для попадания в него фиксирующего зуба ограничительного пальца, который присоединен ограничительной втулкой и крепежным винтом к рабочей головке машины, а между нижней частью профилированного фланца и рабочей головкой машины расположена плоская волнообразная пружина, при этом на ограничительной втулке расположена возвратная пружина, верхний край которой и нижний край параллельны ее продольной оси и зафиксированы соответственно к ограничительному пальцу и рабочей головке машины, а фиксирующий зуб расположен одновременно в продольном канале и между двумя прямоугольными зубьями на профилированном фланце, причем передний опорный край фиксирующего зуба расположен в обратном направлении вращения рабочей оси машины, отличающаяся тем, что на присоединительной поверхности (9) рабочей головки (10) машины выполнен периферийный канал (25) с прямоугольным профилем, в котором расположено уплотнительное кольцо (26), разрезанное с одной стороны.2. Металлообрабатывающая машина по п. 1, отл РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 150 198 U1 (51) МПК B24B 55/05 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ТИТУЛЬНЫЙ (21)(22) Заявка: ЛИСТ ОПИСАНИЯ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ 2014120938/02, 26.05.2014 (24) Дата начала отсчета срока действия патента: 26.05.2014 (72) Автор(ы): КРУМОВ Венцислав Крумов (BG) (73) Патентообладатель(и): "СПАРКИ ЕЛТОС" АД ( ...

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Номер записи: 1
26-01-2012 дата публикации

Cutting tools having movable cover mounting structures

Номер: US20120017735A1
Автор: Masahiko Inai, Shinichiro TOMITA, Syuji Aoyama, Toshiyuki Kani
Принадлежит: Makita Corp

A cutting tool includes a tool unit having a rotary cutting blade, a movable cover configured to cover the rotary cutting blade, and a rotary support member mounted to the tool unit and rotatably supporting the movable cover about a rotational axis. The rotary support member and the movable cover has contact surfaces that slidably contact with each other or slidably contact with contact surface of an intermediate member interposed between the rotary support member and the movable cover. At least one of the contact surfaces includes a groove formed therein, so that the groove can receive cutting powder or chips produced by the rotary cutting blade during a cutting operation and entering between the movable cover and the rotary support member.

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Номер записи: 2
09-02-2012 дата публикации

Hand-held power tool system

Номер: US20120034855A1
Автор: Cornelius Boeck, Joachim Schadow, Sinisa Andrasic
Принадлежит: Individual

A hand-held power tool system has a hand-held power tool, a guard unit, and a guard anti-rotation lock unit preventing rotation between the guard unit and the hand-held power tool during breakdown of a tool of the hand-held power tool and configured to prevent rotation between the guard unit and the hand-held power tool at a same time as the guard unit is being attached to the hand-held power unit when the guard unit is in a working position, the guard anti-rotation lock unit is at least partially located on a closing unit which includes a clamping band and a pivotable lever, and the anti-rotation lock unit includes at least one anti-rotation lock element provided on the lever.

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Номер записи: 3
16-02-2012 дата публикации

Hand-held tools

Номер: US20120037392A1
Автор: Hikaru Sunabe, Hiroki Ikuta
Принадлежит: Makita Corp

A hand-held tool has an operation member operably coupled to a lock mechanism. The lock mechanism can lock and unlock the position of a cover that covers at least a part of an end tool. The operation member is positioned on an opposite side to a coupling device that movably couples the cover to a gear head device mounted to a tool body.

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Номер записи: 4
01-03-2012 дата публикации

Protective hood for portable electric power tools, and portable electric power tools

Номер: US20120052778A1
Автор: Matthias Hiller
Принадлежит: METBOWERKE GmbH

A protective hood of portable electric power tools, and a portable electric power tool is described, and wherein a protective hood is provided and which can be selectively located relative to a rotating drive shaft, and wherein a clamping band is provided which mounts a screw that can be radially threadably advanced toward the rotating drive shaft and which further carries an anti-rotation locking element having claws which mechanically engage a machine neck thereby reliably and securely fastening the protective hood to the power tool.

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Номер записи: 5
11-10-2012 дата публикации

Power tool

Номер: US20120255756A1
Автор: Yonosuke Aoki
Принадлежит: Makita Corp

Provided is a power tool which is capable of more reliably detecting excessive reaction torque acting on a tool body. More specifically, provided is a handheld power tool which causes a tip tool to rotate so as to carry out a predetermined machining operation, the handheld power tool comprising a tool body, a motor which is housed in the tool body and causes the tip tool to rotate, a first sensor which detects the torque state of the tip tool, a second sensor which detects the motion state of the tool body, and a torque cut-off mechanism which cuts off the transmission of torque between the motor and the tip tool. The torque cut-off mechanism is configured to cut off the transmission of torque on the condition that the first sensor and the second sensor respectively detect a preset threshold value for the first sensor and the second sensor.

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Номер записи: 6
08-11-2012 дата публикации

Method and apparatus for multiple cutoff machining of rare earth magnet block, cutting fluid feed nozzle, and magnet block securing jig

Номер: US20120282847A1
Автор: Kazuhito Akada, Koji Sato, Takaharu Yamaguchi, Takayuki Hasegawa, Takehisa Minowa
Принадлежит: Shin Etsu Chemical Co Ltd

In a method for multiple cutoff machining a rare earth magnet block, a cutting fluid feed nozzle having a plurality of slits is combined with a plurality of cutoff abrasive blades coaxially mounted on a rotating shaft, each said blade comprising a base disk and a peripheral cutting part. The slits in the feed nozzle into which the outer peripheral portions of cutoff abrasive blades are inserted serve to restrict any axial run-out of the cutoff abrasive blades during rotation. Cutting fluid is fed from the feed nozzle through slits to the rotating cutoff abrasive blades and eventually to points of cutoff machining on the magnet block.

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Номер записи: 7
08-11-2012 дата публикации

Method and apparatus for multiple cutoff machining of rare earth magnet block, cutting fluid feed nozzle, and magnet block securing jig

Номер: US20120282848A1
Автор: Kazuhito Akada, Koji Sato, Takaharu Yamaguchi, Takayuki Hasegawa, Takehisa Minowa
Принадлежит: Shin Etsu Chemical Co Ltd

In a method for multiple cutoff machining a rare earth magnet block, a cutting fluid feed nozzle having a plurality of slits is combined with a plurality of cutoff abrasive blades coaxially mounted on a rotating shaft, each said blade comprising a base disk and a peripheral cutting part. The slits in the feed nozzle into which the outer peripheral portions of cutoff abrasive blades are inserted serve to restrict any axial run-out of the cutoff abrasive blades during rotation. Cutting fluid is fed from the feed nozzle through slits to the rotating cutoff abrasive blades and eventually to points of cutoff machining on the magnet block.

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Номер записи: 8
13-12-2012 дата публикации

Protective cover for a handheld power tool

Номер: US20120312121A1
Автор: Gunnar Salomon
Принадлежит: Makita Corp

A protective cover for a handheld power tool, with a tool that is at least partially surrounded by the protective cover, is formed of at least a first wall element and a second wall element, which in order to form a tool space are connected to each other in a parallel-spaced arrangement. The first wall element has a first circumferential section and the second wall element has a second circumferential section. The circumferential sections overlap each other and form a circumferential wall of the protective cover, with at least one opening which is provided in the outer-lying second circumferential section and under which the inner-lying first circumferential section extends.

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Номер записи: 9
10-01-2013 дата публикации

Run-Off Securing Device

Номер: US20130009368A1
Автор: Joachim Schadow
Принадлежит: ROBERT BOSCH GMBH

A run-off securing device, in particular a run-off securing device of a handheld power tool, is configured to avoid running off of a clamping element and/or a tool from a spindle. The device has at least one transmission unit, which is removably coupled to the spindle and has at least one first transmission element and at least one second transmission element. The at least one second transmission element is movable in relation to the at least one first transmission element. The transmission unit has at least one movement changing unit, which at least partially transforms a first relative movement between the at least one first transmission element and the at least one second transmission element into a second relative movement in a braking mode.

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Номер записи: 10
28-02-2013 дата публикации

Bidirectional cross airflow machine tool

Номер: US20130048328A1
Автор: Bach Pangho Chen
Принадлежит: Xpole Precision Tools Inc

A bidirectional cross airflow machine tool includes a housing chamber to hold a tool spindle and air inlets and air outlets at two sides thereof. The tool spindle is coupled with a balance weight member which includes a first balance weight portion and a second balance weight portion arranged in an up and down fashion so that the tool spindle generates eccentric rotation against the machine tool. The first and second balance weight portions respectively have a first vane set and a second vane set. The first vane set sucks air via the air inlets at one side of the machine tool during rotation of the tool spindle. The air is transmitted from the first vane set to the first and second balance weight portions, and then is discharged via the second vane set through the air outlets at another side of the machine tool to form cross cooling airflow.

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Номер записи: 11
18-04-2013 дата публикации

GRINDING APPARATUS WITH A SLOT NOZZLE

Номер: US20130095734A1
Автор: Knotts Christopher, Zaruba Zdenek
Принадлежит: ROLLS-ROYCE PLC

Apparatus for high speed grinding comprises a grinding wheel having a circumferential grinding surface, a machine for mounting and rotating the grinding wheel about the axis, a coolant supply system including a slot nozzle arranged to direct coolant fluid secantly to the grinding surface, the slot nozzle having an exit with an elongate axis and a short axis wherein the elongate axis is tilted relative to the axis of the grinding wheel. 1. Apparatus for high speed grinding comprises a grinding wheel on an axle havinga circumferential grinding surface,a machine for mounting and rotating the grinding wheel about the axle,a coolant supply system including a slot nozzle arranged to direct coolant fluid secantly to the grinding surface,the slot nozzle having an exit with an elongate axis and a short axis wherein elongate axis is parallel to a chord through the grinding wheel and tilted relative to the axis of the grinding wheel.2. Apparatus according to claim 1 , wherein the elongate axis is tilted between 5 and 20 degrees to the axis of the grinding wheel.3. Apparatus according to claim 1 , wherein the slot nozzle has a length along the elongate axis that is longer than the width of the circumferential grinding surface.4. Apparatus according to claim 3 , wherein the length of the elongate axis is more than 5% longer than the width of the circumferential grinding surface.5. Apparatus according to claim 1 , wherein the machine for mounting and rotating the grinding wheel rotates the wheel at peripheral speeds between 10 metres per second and about 80 metres per second.6. Apparatus according to claim 1 , wherein the coolant supply system delivers a jet of liquid from the nozzle at a pressure of between 40 and 70 Bar (4000 and 7000 kPa).7. Apparatus according to further comprising an alignment tool having a first edge for alignment with a side of the grinding wheel claim 1 , a second edge for alignment with the grinding surface and a third edge for alignment with an edge of ...

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Номер записи: 12
23-05-2013 дата публикации

Automatically adjustable protection device for a grinding wheel

Номер: US20130130603A1
Автор: Andersson Thomas, Anzini Matteo, Gaboardi Paolo, Giucolsi Massimiliano
Принадлежит: TENOVA S.p.A.

A protection device for a grinding wheel includes a containment structure having an operating opening for a grinding wheel, wherein the containment structure includes a fixed portion and a movable portion which can be moved with respect to the fixed portion by means of a motor and which can be blocked with respect to the first fixed portion by means of a magnetic blocking unit. The device further includes a sensor adapted to automatically detect the position of the movable portion, and a control means of the entire device. 1. A protection device for a grinding wheel , comprising:{'b': 22', '16, 'a containment structure having an operating opening () for a grinding wheel (), wherein said containment structure comprises,'}{'b': '11', 'a fixed portion (),'}{'b': 12', '11', '17', '11', '19, 'a movable portion () configured to be moved with respect to the fixed portion () by a motor () and to be blocked with respect to the first fixed portion () by a magnetic blocking unit (),'}{'b': 26', '16, 'a first sensor (), which identifies a correct operational starting position based on a diameter of the grinding wheel (), and'}{'b': '27', 'a control unit for the protection device ().'}217. The protection device according to claim 1 , wherein said motor comprises a pneumatic cylinder ().3131112. The protection device according to claim 1 , further comprising a pair of low-friction scraping guides () assembled between said fixed portion () and said movable portion ().4111514111216. The protection device according to claim 1 , wherein said fixed portion () comprises a covering element () claim 1 , constrained to said fixed portion with hinges () claim 1 , said covering element being configured to be overturned to open the containment structure ( claim 1 , ) to allow the a positioning of the grinding wheel ().524122225161112112916. The protection device according to claim 1 , wherein a mechanical reference point () is positioned claim 1 , externally with respect to said movable ...

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Номер записи: 13
30-05-2013 дата публикации

Cutting machine

Номер: US20130133494A1
Автор: Masahiro Fujiwara
Принадлежит: HITACHI KOKI CO LTD

A cutting machine is provided with: a vice for fixing a workpiece to be cut; a base on which the vice is provided; an arm attached to a front side of the base via a hinge and supported so as to be slidable in a direction away from and toward the base; a cutting grind stone driven so as to rotate by a driving unit provided at the arm; a wheel cover for covering an upper-side portion of the cutting grind stone; and an auxiliary cover extended from a front-side opening portion of the wheel cover to a rear side and attached to the wheel cover so as to be slidable thereon.

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Номер записи: 14
13-06-2013 дата публикации

DEVICE FOR PREVENTING REMOVAL OF A FIXING MEMBER OF A WHETSTONE COVER IN A DISC GRINDER

Номер: US20130149943A1
Автор: Kawakami Takahiro, SUGIURA Shin
Принадлежит: MAKITA CORPORATION

In a configuration in which a fixing screw is tightened and fixed between opposite ends of an attaching section of a whetstone cover, the fixing screw can be prevented from being removed from the end of the attaching section by fitting a rubber ring to a threaded shank of the fixing screw between opposite ends of the attaching section . 1. A disc grinder comprising:an electric motor;a main body housing in which the electric motor is housed;a switch provided in the main body housing;a gear housing that is located in the front of the main body housing;a boss section provided in the lower part of the gear housing; anda whetstone cover that can be fixed on the boss section, wherein:the whetstone cover includes a semicircular top plate, a lateral plate, and an attaching section;the attaching section includes a band-like sheet, a first extending part provided at one end of the band-like sheet, and a second extending part provided at the other end of the band-like sheet;a fixing nut is fixed to the first extending part;a first insertion hole is provided in the second extending part;a screw that passes through the first insertion hole and can be engaged with a fixing nut is provided;the screw has a shank; anda removal prevention device is provided at the outer circumference of the shank between the first extending part and the second extending part.2. The disc grinder according to claim 1 , wherein:a second insertion hole is provided in the first extending part; andthe shank passes through the second insertion hole.3. The disc grinder according to claim 1 , wherein:the removal prevention device consists of a ring-shaped member; andthe ring-shaped member can be made contact with the second extending part.4. The disc grinder according to claim 1 , wherein the diameter of the ring-shaped member is larger than that of the first insertion hole and the second insertion hole.5. The disc grinder according to claim 1 , wherein:the semicircular top plate has a first radial part and a ...

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Номер записи: 15
13-06-2013 дата публикации

POLISHING APPARATUS WITH DUSTPROOF HOUSING

Номер: US20130149944A1
Автор: LI KUN-PENG
Принадлежит: HON HAI PRECISION INDUSTRY CO., LTD.

A polishing apparatus includes at least one dustproof housing, at least one polishing wheel, and at least one exhaust tube. Each dustproof housing includes a back wall, a plurality of sidewalls extending from the periphery of the back wall, and a front wall opposite to the back wall. The front wall of the dustproof housing defines a working opening and an exhaust opening positioned below the working opening. Each polishing wheel is received in the working opening. Each dust collector is received in one dustproof housing below the polishing wheel, and exposed to the outside via the exhaust opening. Each exhaust tube is fixed to the back wall of the dustproof housing and communicating with the interior of the dustproof housing. 1. A polishing apparatus , comprising:at least one dustproof housing comprising a back wall, a plurality of sidewalls extending from the periphery of the back wall, and a front wall opposite to the back wall, the front wall of the dustproof housing defining a working opening and an exhaust opening below the working opening;a polishing wheel received in the working opening;a dust collector received in the dustproof housing located below the polishing wheel, and exposed to the outside via the exhaust opening; andan exhaust tube fixed to the back wall of the dustproof housing and communicating with the interior of the dustproof housing.2. The polishing apparatus of claim 1 , further comprises a sliding guide positioned in the inner surface of the dustproof housing between the working opening and the exhaust opening claim 1 , the dust collector is a V-shaped funnel claim 1 , and the larger end of the dust collector is slidably engaged with the sliding guide.3. The polishing apparatus of claim 1 , wherein both of the working opening and the exhaust opening are covered with a transparent cover.4. The polishing apparatus of claim 3 , wherein the transparent cover claim 3 , covering on the working opening claim 3 , defines a feed opening.5. The ...

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Номер записи: 16
20-06-2013 дата публикации

Apparatuses Methods for Coolant Delivery

Номер: US20130157542A1
Автор: Graham David C.
Принадлежит:

In various embodiments, a coolant delivery apparatus is presented. Namely, a coolant delivery apparatus comprises a plurality of internal channels configured to provide coolant to the work face of a grinding wheel. 1. A nozzle comprising a nozzle inlet , one or more internal channels in fluid communication with the nozzle inlet , and a nozzle outlet in fluid communication with the one or more internal channels , where:the nozzle inlet is configured to receive a fluid in a first flow direction; andthe internal channels are configured to direct the fluid from the first direction to a second direction substantially different from the first direction.2. The nozzle of claim 1 , where the nozzle is curved about a central axis claim 1 , and the first flow direction is parallel to the central axis.3. The nozzle of claim 1 , where the nozzle outlet comprises one or more channel outlets equal in number to the one or more internal channels.4. The nozzle of claim 1 , further comprising:a support member comprising a feed chamber, where the support member is coupled to the nozzle and the feed chamber is in fluid communication with the nozzle inlet.5. The nozzle of claim 1 , further comprising a plurality of internal ribs separating the one or more internal channels.6. The nozzle of claim 5 , where each rib further comprises a lip that curves out of the plane of the rib.7. The nozzle of claim 5 , where each channel is adjacent to at least one rib.8. A nozzle configured to receive a fluid claim 5 , the nozzle comprising:an inlet and an outlet; anda plurality of ribs, each rib comprising a length;where the length of at least a first rib is less than the length of at least a second rib.9. The nozzle of claim 8 , where each rib further comprises a lip curving from the plane of the rib.10. The nozzle of claim 8 , where each rib has a first height and a second height claim 8 , where the first height is greater than the second height.11. The nozzle of further comprising:a top side ...

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Номер записи: 17
20-06-2013 дата публикации

GRINDER

Номер: US20130157550A1
Автор: Ikuta Hiroki
Принадлежит: MAKITA CORPORATION

A grinder includes a body having an annular portion, a wheel cover which is attachable to the annular portion, and a wheel cover holding member which holds the wheel cover. The wheel cover has a cylindrical portion which is attachable to the annular portion. The wheel cover holding member has a slide member and a pressing portion which moves the slide member. The pressing portion switches a state between an engagement state in which the slide member is engaged with the cylindrical portion and a disengagement state in which the slide member is disengaged with the cylindrical portion by moving the slide member. The pressing member moves on a second line which is parallelly offset from a first line passing the center of the annular portion in a predetermined direction. 1. A grinder comprising:a body which has a collar;a wheel cover which is attachable to the collar; anda holding member which is adapted to hold the wheel cover fixedly to the collar,wherein the wheel cover has an annular shaped attachment portion which is attachable to the collar,wherein the holding member has an engagement portion and an engagement portion operating member to move the engagement portion, the engagement portion being engageable with the attachment portion,wherein the engagement portion operating member switches a state between an engagement state in which the attachment portion and the engagement portion are engaged to each other and a disengagement state in which the attachment portion and the engagement portion are disengaged to each other by moving the engagement portion,and wherein the engagement portion operating member moves on a second line which is parallelly offset from a first line passing a center of the attachment portion and extending in a predetermined direction.2. The grinder according to claim 1 , wherein the engagement portion is engageable with an outer edge of the attachment portion claim 1 , the outer edge being located on a line passing a central region of the ...

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Номер записи: 18
27-06-2013 дата публикации

SHIELD ASSEMBLY FOR A POWER TOOL

Номер: US20130165030A1
Автор: Cirincione, Copeland, II Robert J., JR. Earnest N.
Принадлежит: BLACK & DECKER INC.

The present invention is directed toward a shield assembly for a handheld tool device such as an angle grinder. The shield assembly is selectively repositionable with respect to the cutting tool. A lock mechanism secures the shield assembly in discrete rotational positions relative to the cutting tool. The shield assembly includes a guard member and a bumper member, and an alignment feature configured to align the relative positions of guard member and the bumper member, thereby positing the members in a predetermined relative orientation. With this configuration, the shield assembly is selectively repositionable via a “hands-free” mechanism that permits a user to adjust the position of the shield assembly by simply contacting the shield assembly against a work surface. 120-. (canceled)21. A guard lock for a powered apparatus , the powered apparatus having a neck extending from a gear case , the guard lock comprising:a guard member, the guard member having a body portion for at least partially surrounding a working member of the power tool and a collar portion connected to and extending from the body portion, the collar including multiple windows that are spaced from one another,a stop lever coupled to the gear case via a fastener about which the stop lever may pivot, the stop lever including an engagement portion and a distant arm portion, the engagement portion including an angled surface and a straight surface, the fastener disposed between the engagement portion and the distal arm portion, and a bias member for biasing the engagement portion of the stop lever toward a window of the collar portion,wherein when the engagement portion is positioned within a window, rotation of the collar is permitted in a direction of the angled surface but is prevented in a direction of the straight surface, andwherein a depression of the distal arm portion toward the collar pivots the engagement portion away from the window.221. The guard lock of claim , wherein the stop lever is ...

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Номер записи: 19
08-08-2013 дата публикации

NOZZLE FOR COOLING LUBRICANT

Номер: US20130203323A1
Автор: Foethke Alexander, Kritzky Marc, Muchow Dieter, Paehler Dietmar
Принадлежит:

A nozzle for cooling lubricant is described having a connecting chamber with a chamber inlet and with a deflector plate in the interior of the connecting chamber that is held on at least two mounting means, a main chamber that is removably mounted by the rear face on the front face of the connecting chamber and has a diffusion plate with drilled holes, and a nozzle plate that is removably mounted by the rear face on the front face of the main chamber and has a hole pattern adapted to a grinding wheel profile. 1. A nozzle for cooling lubricant , comprising:a connecting chamber with a chamber inlet and with a deflector plate in an interior of the connecting chamber that is held on by at least two mounting means,a main chamber that is removably mounted by a rear face on a front face of the connecting chamber and has a diffusion plate with drilled holes, anda nozzle plate that is removably mounted by a rear face on a front face of the main chamber and has a hole pattern adapted to a grinding wheel profile.2. The nozzle according to claim 1 , wherein the deflector plate has no drilled holes for passage of the cooling lubricant.3. The nozzle according to claim 1 , wherein the diffusion plate is installed with drilled holes in a bottom of the main chamber and wherein the drilled holes extend over an entire inner surface of the bottom of the main chamber.4. The nozzle according to claim 1 , wherein the deflector plate is positioned in the connecting chamber above the chamber inlet such that the cooling lubricant is distributed in the connecting chamber before it impinges on the diffusion plate of the main chamber and a size of the deflector plate is at least 50% of an inner surface of a bottom in the connecting chamber.5. The nozzle according to claim 1 , wherein the deflector plate is disposed parallel to a bottom of the connecting chamber.6. The nozzle according to claim 1 , wherein the front face of the connecting chamber and the front face of the main chamber have ...

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Номер записи: 20
15-08-2013 дата публикации

POLISHING APPARATUS

Номер: US20130210324A1
Автор: Kosuge Ryuichi, Sone Tadakazu
Принадлежит: EBARA CORPORATION

The present invention relates to a polishing apparatus for polishing an object to be polished (substrate) such as a semiconductor wafer to a flat mirror finish. The polishing apparatus includes a polishing table configured to support a polishing pad, a polishing head having a top ring configured to press an object to be polished against the polishing pad while the object to be polished is rotated, and a dresser head having a dresser configured to dress the polishing pad. The polishing apparatus has a head cover having a purge gas introducing unit configured to introduce a purge gas into the head cover and an exhausting unit configured to exhaust the interior of the head cover. The pressure in the head cover is set to a pressure level slightly higher than the pressure outside the head cover, and main components of the polishing head are housed in the head cover. 1. A polishing apparatus comprising:a polishing table configured to support a polishing pad;a polishing head having a top ring configured to press an object to be polished against the polishing pad while the object to be polished is rotated;a dresser head having a dresser configured to dress the polishing pad; anda head cover having a purge gas introducing unit configured to introduce a purge gas into the head cover and an exhausting unit configured to exhaust the interior of the head cover;wherein the pressure in the head cover is set to a pressure level slightly higher than the pressure outside the head cover, and main components of the polishing head are housed in the head cover.2. The polishing apparatus according to claim 1 , wherein a pressure of the purge gas introduced into the head cover is in the range of 0.15 to 0.25 MPa and a flow rate of the purge gas is in the range of 40 to 60 L/min.3. The polishing apparatus according to claim 1 , wherein the head cover is formed into a hollow box composed of a plurality of plate-like members joined together claim 1 , and hermetic seals are applied to ...

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Номер записи: 21
22-08-2013 дата публикации

THROUGH COOLANT ADAPTOR FOR USE ON HOLLOW SPINDLE MACHINE TOOLS

Номер: US20130217313A1
Автор: Butler Shane, Lanes Gordon
Принадлежит:

An adaptor and a connection device are provided. The adaptor and the connection device fix a tool to an arbor of a hollow spindle machine The adaptor has an inlet opening at a first part of the adaptor, the inlet opening being connectable to the central passage way of the arbor. The adaptor has an outlet opening at a second part of the adaptor, the second part radially protruding over the first part and being adapted for holding the tool. The adaptor has a connection device for fixing the adaptor to the arbor and a fluid distribution passage way connecting the inlet opening with the outlet opening so that the coolant is supplied to the tool via the outlet opening of the adaptor. 115.-. (canceled)16. An adaptor for fixing a tool to an arbor comprising a central passage way for supplying a coolant , comprising:an inlet opening at a first part of the adaptor, the inlet opening being connectable to the central passage way of the arbor;an outlet opening at a second part of the adaptor, the second part radially protruding over the first part and being adapted for holding the tool;a connection for fixing the adaptor to the arbor; anda fluid distribution passage way connecting the inlet opening with the outlet opening so that the coolant is supplied to the tool via the the outlet opening of the adaptor.17. The adaptor according to claim 16 , wherein the fluid distribution passage way comprises a first conduit connected with a second conduit claim 16 , the first conduit extending coaxially to the adaptor and the second conduit being tilted to the first conduit.18. The adaptor according to claim 17 , wherein the second conduit is cylindrical.19. The adaptor according to claim 17 , wherein the second conduit is conical.20. The adaptor according to claim 19 , wherein a diameter of the second conduit at the outlet opening is larger than a diameter of the second conduit at a contact point to the first conduit.21. The adaptor according to claim 16 , wherein the connection is a ...

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Номер записи: 22
24-10-2013 дата публикации

SCATTERING PREVENTION STRUCTURE OF GRINDING MACHINE

Номер: US20130280993A1
Автор: KOGURA Kazuya, MICHIYOSHI Kazunori
Принадлежит: Komatsu NTC Ltd.

This scattering prevention structure of a grinding machine has: a pair of supporting tables; an X axis saddle, which supports a grinding head such that the grinding head can freely move in the advancing/retracing direction with respect to a workpiece; a Z axis saddle, which supports the X axis saddle such that the X axis saddle can freely move in the rotating axis direction of the workpiece; and a grinding stone cover. The grinding stone cover is fixed to the Z axis saddle such that the grinding stone cover opens in a machining region, and the grinding stone head can freely move, with respect to the grinding stone cover, in the advancing/retracting direction with respect to the workpiece, by having the accordion cover therebetween. With this configuration, the size of the machining chamber is reduced, and shielding performance is improved. 1. A scattering prevention structure that covers a machining region of a grinding machine having a pair of supporting tables that is disposed facing each other and rotatably supports a workpiece , a grinding stone table having a grinding stone head that rotatably supports a grinding stone , an X axis saddle that movably supports the grinding stone table along an advancing/retracting direction with respect to the workpiece , a Z axis saddle that movably supports the X axis saddle along a rotating axis direction of the workpiece , and a grinding stone cover that covers the grinding stone , the scattering prevention structure comprising:a first fixing cover and a second fixing cover that are respectively attached to sides where the respective supporting tables face each other;a Z axis shielding cover that shields the first fixing cover, the second fixing cover, and the grinding stone cover one from another and has the grinding stone cover attached thereto such that the grinding stone cover is movable in the rotating axis direction of the workpiece; andan X axis shielding cover that is attached to the grinding stone cover such that ...

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Номер записи: 23
28-11-2013 дата публикации

Centering Machine For Workpieces, Particularly Optical Lenses

Номер: US20130316624A1
Автор: Diehl Joachim, Moos Steffen, Schmidt Achim
Принадлежит:

A centering machine for, in particular, optical lenses has two centering spindles. The rotationally drivable centering spindle shafts are axially aligned with respect to a centering axis and constructed at the ends for the mounting of clamping bells. A stroke device axially adjusts one centering spindle shaft relative to the other centering spindle shaft along the centering axis for alignment of the lens between the clamping bells. A clamping device applies to a centering spindle shaft a clamping force clamping the aligned lens. At least one processing unit is movable relative to the centering axis, with a tool for edge processing of the clamped lens. In order to enable an optimized bell clamping process, the stroke device and the clamping device and/or a rotary drive for the axially adjustable centering spindle shaft are arranged coaxially with respect to the centering axis. 1. A centering machine for workpieces comprising:two centering spindles including respective rotationally drivable centering spindle shafts which are mounted in respective centering spindle housings and being axially aligned with respect to a centering axis,the centering spindle shafts being constructed for respective mounting of a respective clamping bell at mutually facing ends,a stroke device which is for axially adjusting one of the centering spindle shafts with respect to the other one of the centering spindle shafts along the centering axis to align a workpiece between the clamping bells,a clamping device for applying a clamping force to one of the centering spindle shafts so as to clamp the workpiece aligned between the clamping bells,at least one processing unit with a tool for edge processing of the workpiece clamped between the clamping bells, the processing unit being movable relative to the centering axis, andthe stroke device and the clamping device being arranged coaxially with respect to the centering axis.2. A centering machine according to claim 1 , characterized in that the ...

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Номер записи: 24
19-12-2013 дата публикации

Portable power tool

Номер: US20130337728A1
Автор: Andrew Walker, Frederick R. Bean, John S. Vantran
Принадлежит: Black and Decker Inc

A portable power tool includes a motor located in a motor housing of the tool and having a rotary output shaft, a working part arranged to be driven by the rotary output shaft, a dust collection container arranged to collect dust produced by the operation of the power tool on a workpiece during use, and a fan. The fan is arranged to be rotated about an axis by the motor to convey the dust to the dust collection container, the axis of rotation of the fan being non-coaxial with the rotary output shaft of the motor. A part of an exterior surface of the dust collection container is formed as a recess into which the motor housing at least partly extends, such that the dust collection container extends at least partly around the motor housing.

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Номер записи: 25
26-12-2013 дата публикации

GUARD DEVICE

Номер: US20130344780A1
Автор: Boeck Cornelius, Overbeck Tobias, Schadow Joachim, Vollmer Rainer
Принадлежит:

A guard device includes at least one basic element, at least one fastening element, and at least one guard anti-twist device. The at least one guard anti-twist device includes at least one braking element that, in at least one operating state of a portable power tool, is configured at least to frictionally anti-twist lock the at least one basic element relative to a portable power tool. The at least one guard anti-twist device also includes at least one actuating unit configured to displace the at least one braking element. The at least one actuating unit includes at least one lever element. 1. A guard device comprising:at least one basic element;at least one fastening element; and at least one braking element configured, in at least one operating state of a portable power tool, at least to frictionally anti-twist lock the at least one basic element relative to the portable power tool; and', 'at least one actuating unit configured to displace the at least one braking element, the at least one actuating unit including at least one lever element., 'at least one guard anti-twist device, including2. The guard device according to claim 1 , wherein the at least one guard anti-twist device includes at least one bearing unit configured to support the at least one lever element in an at least partially pivotable manner.3. The guard device according to claim 1 , wherein the at least one lever element is configured to act claim 1 , at least in a radial direction claim 1 , on the at least one braking element.4. The guard device according to claim 1 , wherein the at least one lever element is configured to at least partially directly contact the at least one braking element.5. The guard device according to claim 2 , wherein the at least one bearing unit is connected at least partially fixedly to the at least one fastening element.6. The guard device according to claim 1 , wherein the at least one braking element includes at least one eccentric.7. The guard device according to ...

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Номер записи: 26
26-12-2013 дата публикации

GUARD DEVICE

Номер: US20130344781A1
Автор: Boeck Cornelius, Overbeck Tobias, Schadow Joachim, Vollmer Rainer
Принадлежит:

A guard device includes at least one basic element, at least one fastening element, and at least one guard anti-twist device. The at least one guard anti-twist device includes at least one braking element that, in at least one operating state of a portable power tool, is configured at least essentially at least to frictionally anti-twist lock the at least one basic element relative to the portable power tool. The at least one guard anti-twist device also includes at least one actuating unit configured to displace the at least one braking element. The at least one actuating unit includes at least one screwing element. 1. A guard device , comprising:at least one basic element;at least one fastening element; and at least one braking element that, in at least one operating state of a portable power tool, is configured at least essentially at least to frictionally anti-twist lock the at least one basic element relative to the portable power tool; and', 'at least one actuating unit configured to displace the at least one braking element, the at least one actuating unit including at least one screwing element., 'at least one guard anti-twist device, including2. The guard device according to claim 1 , wherein the at least one screwing element is configured to act claim 1 , at least partly in a radial direction claim 1 , on the at least one braking element.3. The guard device according to claim 1 , wherein the at least one screwing element is configured to at least partially directly contact the at least one braking element.4. The guard device according to claim 1 , wherein the at least one guard anti-twist device includes at least one receiving element configured to correspond with the at least one screwing element.5. The guard device according to claim 4 , wherein the at least one receiving element at least partially includes an internal thread.6. The guard device according to claim 4 , wherein the at least one receiving element is formed at least partially by a screw nut. ...

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Номер записи: 27
26-12-2013 дата публикации

GRINDING WHEEL

Номер: US20130344783A1
Автор: Eggenberger Peter, Zaech Roman
Принадлежит: ROBERT BOSCH GMBH

A circular grinding wheel has a center point and defines a multiplicity of extraction holes, which, in particular, are circular extraction holes. The center point of each extraction hole is arranged at the point of intersection of a radial line extending from the center point of the grinding wheel with a circle of holes that is arranged concentrically with respect to the center point and that has a radius. At least one of the radial lines is a single-hole radial line, on which the center point of only a single extraction hole is arranged. The center points of all the extraction holes that are arranged on a single-hole radial line lie substantially on a common single-hole circle having a radius. Each radial line comprises the center point of an extraction hole on at least one radius on which the two radial lines that are adjacent to this radial line in the circumferential direction have no center point of an extraction hole. 1. A circular grinding disk comprising a body defining a center point and a multiplicity of extraction holes ,wherein the center point of each extraction hole is arranged at the point of intersection of a radial line extending from the center point of the grinding disk with a circle of holes that is arranged concentrically with respect to the center point of the grinding disk and that has a radius,wherein at least one of the radial lines is a single-hole radial line on which the center point of only a single extraction hole is arranged,wherein the center points of all of the extraction holes that are arranged on a single-hole radial line lie substantially on a common single-hole circle with a radius radius, andwherein each radial line comprises the center point of an extraction hole on at least one radius on which the two radial lines that are adjacent to this radial line in the circumferential direction have no center point of an extraction hole.2. The grinding disk as claimed in claim 1 , wherein the number of circles of holes of which the ...

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Номер записи: 28
09-01-2014 дата публикации

SURFACE TREATING APPARATUS AND METHOD

Номер: US20140011433A1
Автор: Marton Miksa
Принадлежит:

A back-up apparatus for use with a surface treating apparatus can include a back-up plate having a pad attachment face and a back-up pad having a first pad face and a second pad face. The back-up apparatus can also include a porous interface layer. The interface layer can include an outer face. The back-up apparatus can also include a layer of a first adhesive on the outer face and extending into the interface layer, and a layer of a second adhesive provided on the layer of the first adhesive. The second adhesive can be selected to releasably adhesively bond to an abrasive sheet. The first and second adhesives can be selected such that the adhesive bond between the first adhesive and the second adhesive is stronger than the adhesive bond between the second adhesive and the abrasive sheet. 1. A back-up apparatus for use with a surface treating apparatus , the back-up apparatus comprising:a) a back-up plate having a pad attachment face;b) a back-up pad, the back-up pad having a first pad face, secured to the pad attachment face, and an opposed second pad face;c) an porous interface layer, the interface layer comprising an inner face, secured to the second pad face, and an outer face;d) a layer of a first adhesive provided on the outer face and extending into the interface layer; ande) a layer of a second adhesive provided on the layer of the first adhesive wherein the second adhesive is selected to releasably adhesively bond to an abrasive sheet, and wherein the first and second adhesives are selected such that the adhesive bond between the first adhesive and the second adhesive is stronger than the adhesive bond between the second adhesive and the abrasive sheet whereby the layer of second adhesive remains bonded to the layer of first adhesive when the abrasive sheet is separated from the back-up apparatus.2. The back-up apparatus of claim 1 , wherein the back-up pad is resiliently flexible and the interface layer is flexible whereby the back-up pad flexes to follow ...

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Номер записи: 29
06-02-2014 дата публикации

ACTIVE COOLANT FLOW CONTROL FOR MACHINING PROCESSES

Номер: US20140038496A1
Автор: ELFIZY Amr, LEISHMAN James
Принадлежит: PRATT & WHITNEY CANADA CORP.

A method for operating a machining tool, comprising: setting a flow rate and a pressure of a flow of coolant to a target flow rate and a pressure target, respectively, the coolant flow being provided to the machining tool; machining a work-piece using the machining tool; measuring the flow rate and the pressure of the flow of coolant; and detecting an anomaly with respect to the coolant flow; and taking a corrective action depending on the type of the detected anomaly. 1. A method for operating a machining tool , the method comprising:setting a flow rate and a pressure of a flow of coolant to a target flow rate and a pressure target, respectively, said coolant flow being provided to said machining tool;machining a work-piece using said machining tool;measuring said flow rate and said pressure of said flow of coolant; anddetecting a first anomaly when at least one of said measured flow rate and said measured pressure deviates from said target flow rate and from said pressure target, respectively, by a first predetermined amount, and taking a first corrective action comprising triggering an alarm while allowing said machining of said work-piece to continue; anddetecting a second anomaly when at least one of said measured flow rate and said measured pressure deviates from said target flow rate and said pressure target, respectively, by a second predetermined amount greater than said first predetermined pressure amount, respectively, and taking a second corrective action comprising stopping said machining of said work-piece.2. The method of claim 1 , wherein said setting comprises continuously adjusting said flow rate and said pressure of said coolant flow during the machining of the work-piece.3. The method of claim 2 , wherein continuously adjusting comprises feed-back controlling said flow rate and said pressure using said target flow rate claim 2 , said pressure target claim 2 , said measured flow rate claim 2 , and said measured pressure.4. The method of claim 1 , ...

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Номер записи: 30
13-02-2014 дата публикации

EXCHANGEABLE ABRASIVE MEANS FOR AN ABRASION APPLIANCE HAVING A SUCTION EXTRACTION ARRANGEMENT

Номер: US20140045413A1
Автор: Breitenmoser Josef, Fritsch Stephan
Принадлежит: ROBERT BOSCH GMBH

An exchangeable abrasive mechanism or disc for use on abrasive-mechanism carriers having suction holes includes a plurality of through openings that each have a centroid. The through openings are differentiated into three groups that differ in the radial disposition of the centroids. A first group comprises at least one, but not more than four, through openings of a first cross section. At least two of the through openings of the first group are disposed on a first circumcircle diameter that is substantially identical to one of the hole-circle diameters such that, when the abrasive mechanism is correctly disposed on an abrasive-mechanism carrier, they are in direct alignment with and can overlap, two corresponding suction holes. A second group of through openings of a second, preferably smaller, cross section, comprises at least four through openings that are disposed on a second circumcircle diameter that differs from the first circumcircle diameter. 1. An exchangeable abrasive mechanism for use on an abrasive-mechanism carrier of an abrasion appliance that has suction holes , the abrasive-mechanism carrier having either five or eight circular suction holes that each have substantially the same diameter and are disposed either on a first , larger hole-circle diameter or a second , smaller hole-circle diameter on the abrasive-mechanism carrier , the abrasive mechanism comprising:a body; anda plurality of through openings formed in the body, each through opening having a cross-sectional area that defines a centroid,wherein the plurality of through openings are configured to be differentiated into three groups of through openings, the groups differing from each other in the radial disposition of the centroids of the respective through openings,wherein a first group of through openings comprises at least one, but not more than four, through openings of a first cross section,wherein at least two of the through openings of the first group are disposed on a first ...

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Номер записи: 31
27-02-2014 дата публикации

PROTECTIVE HOOD DEVICE

Номер: US20140057538A1
Автор: Boeck Cornelius, Overbeck Tobias, Schadow Joachim
Принадлежит: ROBERT BOSCH GMBH

A protective hood device includes at least one basic body, at least one fastening unit, and at least one protective-hood-device anti-rotation unit. The at least one fastening device is configured, at least partially, to fasten the basic body relative to a hand power tool, in particular by force closure. The at least one protective-hood-device anti-rotation unit has at least one stop element, which is configured, at least partially, in at least one operating state of a hand power tool, to lock the basic body against rotation relative to the hand power tool, in particular by form closure. The at least one stop element is at least partially integral with the fastening unit. 1. A protective hood device , comprising:at least one basic body,at least one fastening unit configured, at least partially, to fasten the at least one basic body relative to a hand power tool, andat least one protective-hood-device anti-rotation unit including at least one stop element, the at least one stop element configured, at least partially, in at least one operating state of the hand power tool, to lock the at least one basic body against rotation relative to the hand power tool,wherein the at least one stop element is configured, at least partially, so as to be integral with the at least one fastening unit.2. The protective hood device according to claim 1 , wherein the at least one stop element is configured to bear at least partially against a transmission housing of the hand power tool when the at least one stop element is in the at least one operating state of the hand power tool.3. The protective hood device according to claim 1 , wherein the at least one stop element is at least partially constituted by a screw element.4. The protective hood device according to claim 1 , wherein the at least one stop element includes an internal thread claim 1 , at least partially.5. The protective hood device according to claim 1 , wherein the at least one stop element includes a domed nut claim 1 , ...

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Номер записи: 32
13-03-2014 дата публикации

Machine tool braking apparatus

Номер: US20140069756A1
Автор: Florian Esenwein
Принадлежит: ROBERT BOSCH GMBH

A machine tool braking apparatus, in particular a hand-held machine tool braking apparatus, of a portable machine tool, includes at least one mechanical braking unit that has at least one movably mounted braking element and includes at least one output unit that has at least one output element. The braking unit includes at least one actuating element that is intended to move the braking element, at least in one operating state, at least substantially perpendicular to an axis of rotation of the output element.

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Номер записи: 33
20-03-2014 дата публикации

Grinding Tools With Guards

Номер: US20140080391A1
Автор: Albert Gregory Paul, Amend Ryan Scott, Pyles Douglas Eliot, Young Randi Jane
Принадлежит: INGERSOLL-RAND COMPANY

In at least one illustrative embodiment, a grinding tool may comprise a housing including a mount, a shaft extending from the mount along a drive axis, where the shaft is configured to support a grinding wheel for rotation about the drive axis, and a guard coupled to the mount. The guard may comprise a central ring extending around the mount, a shroud extending radially outward from the central ring along a first portion of a circumference of the central ring, and a standoff coupled to a second portion of the circumference of the central ring. The standoff may extend from the central ring along a direction substantially parallel to the drive axis such that the standoff limits rotation of the guard about a tipping axis that is substantially perpendicular to the drive axis. 110-. (canceled)11. A grinding tool comprising:a housing including a mount;a shaft extending from the mount along a drive axis, the shaft being configured to support a grinding wheel for rotation about the drive axis; anda guard coupled to the mount, the guard comprising a central ring extending around the mount, a shroud extending radially outward from the central ring along a first portion of a circumference of the central ring, and a standoff coupled to a second portion of the circumference of the central ring;wherein the standoff extends from the central ring along a direction substantially parallel to the drive axis such that the standoff limits rotation of the guard about a tipping axis that is substantially perpendicular to the drive axis.12. The grinding tool of claim 11 , further comprising a guard lock movable between an unlocked position that allows the guard to rotate about the drive axis and a locked position that blocks the guard from rotation about the drive axis.13. The grinding tool of claim 12 , wherein the guard lock comprises a first retaining feature coupled to the central ring.14. The grinding tool of claim 13 , wherein the guard lock further comprises a second retaining ...

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Номер записи: 34
02-01-2020 дата публикации

Cutting apparatus

Номер: US20200001418A1
Автор: Hiroshi Shoda
Принадлежит: Shoda Co

To provide a cutting apparatus capable of effectively removing swarf that scatters in a machining space, while reducing cost. A cutting apparatus includes: a machining mechanism on which a tool for machining a workpiece is mounted; a placement base that is disposed to face the machining mechanism in a machining space and that is movable in a first direction with the workpiece placed thereon; an open/close covering member that extends in the first direction thereby to contain therein the placement base and to form at least part of the machining space; and a drive mechanism that is isolated from the machining space and that moves the placement base in the first direction.

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Номер записи: 35
02-01-2020 дата публикации

Angle grinder, air blower, and power tool

Номер: US20200001447A1
Автор: Qingsong Yang
Принадлежит: Nanjing Chervon Industry Co Ltd

A power tool includes a housing, a tool attachment, an output shaft, an electric motor, and an airflow channel. The housing includes an air inlet and an air outlet, and an airflow channel is formed between the air inlet and the air outlet. The electric motor includes an electric motor shaft, a stator and a rotor. The power tool further includes a thermal conduction member disposed between the rotor and the stator and configured to transfer heat between the rotor and the stator into the airflow channel. Further disclosed is an angle grinder. The power tool has good heat dissipation performance.

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Номер записи: 36
03-01-2019 дата публикации

ABRASIVE ARTICLE HAVING A NON-UNIFORM DISTRIBUTION OF OPENINGS

Номер: US20190001464A1
Автор: CHERUVARI KOTTIETH RAMAN Vivek, Dinh-Ngoc Julie M., Garrah James M., Krupa Paul A., Seth Anuj
Принадлежит:

An abrasive article having a plurality of apertures arranged in a non-uniform distribution pattern, wherein the pattern is spiral or phyllotactic, and in particular those patterns described by the Vogel equation. Also, provided is a back-up pad having a spiral or phyllotactic patterns of air flow paths, such as in the form of open channels. The back-up pad can be specifically adapted to correspond with an abrasive article having a non-uniform distribution pattern. Alternatively, the back-up pad can be used in conjunction with conventional perforated coated abrasives. The abrasive articles having a non-uniform distribution pattern of apertures and the back-up pads can be used together as an abrasive system. 1. An abrasive system comprising:a coated abrasive; anda back-up pad,wherein the coated abrasive comprises a controlled non-uniform distribution pattern of apertures, andwherein the back-up pad comprises a plurality of air flow paths disposed in a pattern adapted to correspond with the apertures of the coated abrasive.2. The system of claim 1 , wherein the controlled non-uniform distribution pattern of apertures is a phyllotactic pattern.3. The system of claim 2 , wherein the controlled non-uniform distribution pattern of apertures is the Vogel equation.4. The system of claim 1 , wherein the pattern of air flow paths comprises regular polygons claim 1 , irregular polygons claim 1 , ellipsoids claim 1 , arcs claim 1 , spirals claim 1 , phyllotactic patterns claim 1 , or combinations thereof.5. The system of claim 4 , wherein the pattern of air flow paths is a spiral pattern or a phyllotactic pattern.6. The system of claim 4 , wherein the pattern of air flow paths comprises radiating arcurate airflow paths claim 4 , radiating spiral airflow paths claim 4 , or combinations thereof.7. The system of claim 6 , wherein the pattern further comprises an annular airflow path that intersects the radiating arcurate airflow paths claim 6 , radiating spiral airflow paths claim ...

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Номер записи: 37
07-01-2021 дата публикации

TEMPERATURE CONTROLLED SUBSTRATE CARRIER AND POLISHING COMPONENTS

Номер: US20210005479A1
Автор: Shugrue John Kevin, Trojan Daniel Ray
Принадлежит:

Temperature controlled polishing pads are disclosed. In one aspect, a CMP system includes the use of any type of atomizing system to cool or remove energy and/or heat from the polishing pad of a CMP system. The atomizing system can use of any liquid medium in combination of any compressed gas through an orifice to cool or remove the energy and/or heat from the pad, thereby allowing for higher removal rates during CMP. 1. A substrate carrier head , comprising:a carrier body;a substrate retainer attached to the carrier body, the substrate retainer comprising an aperture configured to receive a substrate;a resilient membrane having a first surface configured to contact a surface of the substrate and a second surface opposing the first surface;a membrane cavity formed along the second surface;an inlet configured to allow liquid to flow into the membrane cavity; andan outlet configured to allow liquid to flow from the membrane cavity.2. The substrate carrier head of claim 1 , wherein the outlet is located at a farther radial position from a center of the carrier body than the inlet.3. The substrate carrier head of claim 2 , wherein the inlet is located at approximately the center of the carrier body.4. The substrate carrier head of claim 1 , further comprising:a secondary resilient membrane having a width that is less than a width of the resilient membrane.5. The substrate carrier head of claim 1 , further comprising a liquid tight seal between the resilient membrane and the carrier body.6. A substrate carrier system claim 1 , comprising: a carrier body;', 'a substrate retainer attached to the carrier body, the substrate retainer configured to retain a substrate on the carrier body;', 'a resilient membrane having a first surface configured to contact a surface of the substrate and a second surface opposing the first surface; and', 'a membrane cavity formed along the second surface, the membrane cavity configured to allow a liquid to flow along the second surface; and, 'a ...

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Номер записи: 38
03-01-2019 дата публикации

SEMICONDUCTOR WAFER AND METHOD OF WAFER THINNING

Номер: US20190006169A1
Автор: Seddon Michael J.
Принадлежит: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC

A semiconductor wafer has a base material. The semiconductor wafer may have an edge support ring. A grinding phase of a surface of the semiconductor wafer removes a portion of the base material. The grinder is removed from or lifted off the surface of the semiconductor wafer during a separation phase. The surface of the semiconductor wafer and under the grinder is rinsed during the grinding phase and separation phase to remove particles. A rinsing solution is dispensed from a rinsing solution source to rinse the surface of the semiconductor wafer. The rinsing solution source can move in position while dispensing the rinsing solution to rinse the surface of the semiconductor wafer. The grinding phase and separation phase are repeated during the entire grinding operation, when grinding conductive TSVs, or during the final grinding stages, until the final thickness of the semiconductor wafer is achieved. 1. A method of thinning a semiconductor wafer , the method comprising:providing a semiconductor wafer including a base material;grinding a surface of the semiconductor wafer during a grinding phase using a grinder to remove a portion of the base material; andlifting the grinder off the surface of the semiconductor wafer only in a z axis during a separation phase.2. The method of claim 1 , further including repeating the grinding phase and separation phase.3. The method of claim 1 , further including rinsing the surface of the semiconductor wafer during the grinding phase and separation phase to remove the particles.4. The method of claim 3 , wherein the rinsing is continuous.5. The method of claim 3 , wherein the rinsing is pulsed.6. The method of claim 1 , further including reversing movement of the grinder during the separation phase.7. A method of thinning a semiconductor wafer claim 1 , the method comprising:performing a grinding phase on a surface of a semiconductor wafer using a grinder; andseparating the grinder from the surface of the semiconductor wafer only ...

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Номер записи: 39
11-01-2018 дата публикации

Misting Lubricant

Номер: US20180009131A1
Автор: Arshak Isajanyan, Vahan Isajanyan
Принадлежит: Individual

Misting Lubricant may include the application of a liquid medium via a high-pressure mist nozzle instead of a conventional drip process. By utilizing misting lubricant, the lubricant may be evenly applied, and surface irregularities may be minimized, which may reduce or eliminate splashing. Misting lubricant may provide for a cleaner and more efficient material cutting process.

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Номер записи: 40
19-01-2017 дата публикации

Intelligent Grinding Device for Short Pulse Electrical Melt Chip Removal Cooling

Номер: US20170014967A1
Автор: Jiahui You, Jian Cheng, Jin Xie, Xianhai SI, Yanjun LU, Zhenjie DENG
Принадлежит: South China University of Technology SCUT

An intelligent grinding device for short pulse electrical melt chip removal cooling, includes a diamond grinding wheel, a pulse power supply, a force meter sensor, thermocouple in a hole of work piece for measuring machining temperature, a voltage sensor, a current sensor, a temperature collecting card, a charge amplifier, a force meter, a digital oscilloscope and a discharge parameter feedback adjustment system. The pulse power supply has a positive pole connecting with the grinding wheel, and a negative pole connecting with the work piece. The voltage sensor and the current sensor respectively put collected discharge voltage and current wave of the discharge circuit to be stored in a display terminal through the digital oscilloscope. The thermocouple connects with the display terminal by the temperature collecting card.

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Номер записи: 41
18-01-2018 дата публикации

APPARATUS FOR SURFACE ABRASION

Номер: US20180015588A1
Автор: ROGERS Owen
Принадлежит:

An apparatus for abrading a surface is provided. The apparatus includes: a framework with a motor housed therein; a chassis housing a drivetrain, the drivetrain including a drive pulley operative connected to the motor, a plurality of tool assembly pulleys, a belt operatively connecting the drive pulley and the plurality of tool assembly pulleys; a plurality of tool assemblies operatively connected to the drive pulley and the plurality of tool assembly pulleys, each tool assembly including: a tool holder, a tool plate comprising a tool segment with an abrading surface, wherein the tool holder and tool plate are detachably connected by a plurality of equidistantly spaced pins, wherein the number of pins is a multiple of three. 1. An apparatus for abrading a surface comprising:a framework with a motor housed therein; a drive pulley operative connected to the motor;', 'a plurality of tool assembly pulleys;', 'a belt operatively connecting the drive pulley and the plurality of tool assembly pulleys;, 'a chassis housing a drivetrain, the drivetrain comprising a tool holder;', 'a tool plate comprising a tool segment with an abrading surface;', 'wherein the tool holder and tool plate are detachably connected by a plurality of equidistantly spaced pins, wherein the number of pins is a multiple of three., 'a plurality of tool assemblies operatively connected to the drive pulley and the plurality of tool assembly pulleys, each tool assembly comprising2. An apparatus according to wherein the belt operatively connects the drive pulley and the plurality of tool assembly pulleys claim 1 , and the plurality of tool assembly pulleys are configured in an array claim 1 , whereby lateral or longitudinal displacement of the chassis across the surface to be abraded results in a path of any one tool assembly rotating in one direction to be at least partially overlapped by a path of at least one other tool assembly rotating in the opposite direction.3. An apparatus according to wherein ...

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Номер записи: 42
21-01-2016 дата публикации

TIRE GRINDING DEVICE AND TIRE TESTING SYSTEM

Номер: US20160016275A1
Автор: TACHIBANA Makoto, UEDA Tatsuya
Принадлежит:

A tire grinding device grinds a surface of a tire, and the tire grinding device includes: a grindstone holding portion which holds a grindstone which grinds the surface of the tire; a cover which is disposed with a gap with respect to the surface of the tire, and covers the grindstone held by the grindstone holding portion; and an air layer forming portion which forms an air layer which prevents ground chips of the ground tire from being discharged through the gap formed between an edge of the cover and the surface of the tire. 1. A tire grinding device which grinds a surface of a tire , comprising:a grindstone holding portion which holds a grindstone which grinds the surface of the tire;a cover which is disposed with a gap with respect to the surface of the tire, and covers the grindstone held by the grindstone holding portion; andan air layer forming portion which forms an air layer which prevents ground chips of the ground tire from being discharged through the gap formed between an edge of the cover and the surface of the tire.2. The tire grinding device according to claim 1 ,wherein the air layer forming portion injects air toward the gap.3. The tire grinding device according to claim 2 ,wherein the air layer forming portion injects the air toward the gap so that the air is gradually directed to the grindstone side toward the tire.4. The tire grinding device according to claim 2 ,wherein the air layer forming portion is provided so as to inject the air to at least a front side gap in a grinding direction in the gap.5. The tire grinding device according to claim 2 ,wherein the air layer forming portion injects the air toward the gap from the outside of the cover.6. The tire grinding device according to claim 1 ,wherein the grindstone holding portion holds the grindstone so as to grind a shoulder portion of the tire.7. The tire grinding device according to claim 1 , further comprising:a static electricity removing portion which removes static electricity on the ...

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Номер записи: 43
21-01-2016 дата публикации

ADJUSTABLE GUARD FOR POWER TOOL

Номер: US20160016285A1
Автор: Cooksey Charles K., Richards Daryl S.
Принадлежит:

A power tool includes an output shaft defining a rotational axis and a housing from which the output shaft protrudes. The power tool further includes a flange at least partially surrounding the output shaft, a circumferential groove defined between the housing and the flange, and a radially inward-extending slot in the flange. The power tool also includes a rotatable guard having a first radially inward-extending projection and a plurality of apertures positioned radially about the rotational axis. The first radially inward-extending projection is receivable through the radially inward-extending slot in the flange and positioned within the groove. Furthermore, the power tool includes a lever having a detent member, and a biasing member for biasing the lever toward the rotatable guard. The detent member is receivable in one of the plurality of apertures to rotationally lock the rotatable guard relative to the housing.

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Номер записи: 44
21-01-2016 дата публикации

PROCESSING APPARATUS

Номер: US20160016331A1
Автор: Nagao Ryosuke
Принадлежит:

A processing apparatus includes a chuck table for holding a plate-like workpiece under suction. A suction unit is connected to the chuck table, and a processing unit is configured to process the workpiece while supplying processing water to the workpiece. The suction unit includes a first suction source, a first pipe providing fluid communication between the first suction source and the chuck table, a separator arranged in the first pipe, for separating a gas and a liquid drawn in from the chuck table, and a water discharging unit configured to discharge the liquid separated by the separator. The water discharging unit includes a second suction source, a second pipe providing fluid communication between the second suction source and a water discharge port of the separator, and a check valve arranged in the second pipe, for preventing a fluid from flowing from the second suction source to the separator.

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Номер записи: 45
15-01-2015 дата публикации

Polishing apparatus

Номер: US20150017889A1
Автор: Hideo Aizawa, Hiroshi Shimomoto, Masao Umemoto, Ryuichi Kosuge
Принадлежит: Ebara Corp

A polishing apparatus which can remove slurry which has entered into a gap between an elastic membrane for pressing a substrate such as a wafer and a retaining ring is disclosed. The polishing apparatus includes a top ring which has an elastic membrane configured to form a pressure chamber for pressing the substrate against a polishing pad, and a retaining ring disposed around the elastic membrane and configured to press the polishing pad, a top ring rotating device configured to rotate the top ring about an axis of the top ring, and a cleaning brush configured to be brought into contact with a peripheral portion of a lower surface and an outer circumferential surface of the elastic membrane.

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Номер записи: 46
17-01-2019 дата публикации

BRUSH GRINDING HEAD FOR A GRINDING MACHINE

Номер: US20190015945A1
Автор: ANKERSEN Bent
Принадлежит:

The invention relates to a brush grinding head () for a grinding machine (), comprising an essentially roller-shaped carrier () and grinding lamellae (), wherein the grinding lamellae () are arranged peripherally on the carrier () and are composed at least of, in particular bundled brushes () and an essentially strip-shaped grinding element () which is arranged adjacent thereto. The grinding element () comprises at least one abrasive layer () and an abrasive-free layer () which can be compressed while retaining its shape and is designed in such a way that a grinding fluid (), in particular water, can be stored in it. 113-. (canceled)1412344356678827. Brush grinding head () for a grinding machine () , comprising a , particularly drum-formed , carrier () and grinding lamellae () , wherein the grinding lamellae () are arranged on the circumference of the carrier () and are composed of at least , particularly bundled , brushes () and an adjacently arranged , particularly lamellar , grinding element () , characterized in that the grinding element () comprises at least a layer () of grinding means and a layer () which is free of grinding means , wherein the layer () is compressible while maintaining its form and is constructed in such a way , that a grinding fluid () , particularly water , is storable in it.15165432. Brush grinding head () according to claim 14 , wherein the grinding element () and the brushes () of the grinding lamellae () are each arranged in a common groove ().161791027. Brush grinding head () according to claim 14 , wherein the layer () of grinding means comprises a flexible claim 14 , in particular textile claim 14 , carrier layer () for the grinding means () claim 14 , which is permeable for the grinding fluid () claim 14 , particularly water.17171011. Brush grinding head () according to claim 14 , wherein the layer () of grinding means comprises grinding means () which are chosen from a group consisting of diamond and cubic boron nitride claim 14 , ...

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Номер записи: 47
17-01-2019 дата публикации

DUST COLLECTOR FOR AN ANGLE GRINDER

Номер: US20190015948A1
Автор: ANZINGER Josef, HARDER Sarah, KOSCHEL Christian
Принадлежит:

A dust collector for an angle grinder, comprising a collector body for covering a circular grinding wheel, and a sealing element extending along an outer periphery (U) of the collector body for at least partially sealing the collector body against a surface to be machined by means of the grinding wheel, and comprising a suction connection, by way of which material removed from the surface can be suction out of the collector body. In an axial direction with respect to the axis of rotation (R) of the grinding wheel, the sealing element is spring-mounted in the collector body by means of at least one spring element. 110. A dust collector for an angle grinder , comprising a collector body () for covering a circular grinding wheel , and a sealing element extending along an outer periphery of the collector body for at least partially sealing the collector body against a surface to be machined by the circular grinding wheel , and comprising a suction connection , by way of which material removed from the surface can be suctioned out of the collector body , wherein ,in an axial direction with respect to an axis of rotation (R) of the grinding wheel, the sealing element is spring-mounted in the collector body by at least one spring element.2. The dust collector for an angle grinder as claimed in claim 1 ,wherein the collector body is designed to cover a predominant part of the grinding wheel and the dust collector has a collector segment displaceable along the collector body in a peripheral direction (U) of the collector body, the collector segment arranged for gradually covering and exposing of a part of the grinding wheel as needed, and wherein in the axial direction with respect to the axis of rotation (R) of the grinding wheel, the sealing element is also spring-mounted in the collector segment by the at least one spring element.3. The dust collector for an angle grinder as claimed in claim 1 ,wherein the spring element has a base web, via which the at least one spring ...

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Номер записи: 48
16-01-2020 дата публикации

SKATE BLADE SHARPENING SYSTEM

Номер: US20200016716A1
Автор: Beaudet Daniel A., Bolton Clive, Goryachev Ivan D., Hanczor Matt, JR. Russell K., Layton, Willisson Alex Taylor
Принадлежит:

A skate blade sharpening system used to sharpen the blades of ice skates. The skate sharpener can include a housing that includes an elongated slot for receiving the blade of an ice skate for sharpening, and clamp jaws for retaining the skate. The housing can include at least one slot cover to engage the skate blade. Engagement of the skate blade can be sensed by a controller to enable sharpening operations to proceed. The skate blade sharpening system can automatically operate a grinding wheel and move the rotating grinding wheel back and forth along the lower face of the skate blade a desired number of times to sharpen the skate blade. 1. A method of aligning a grinding component in a skate blade sharpening system , the method comprising:positioning a first visual reference feature at a first predetermined location relative to at least one jaw configured to secure a skate blade within the skate blade sharpening system;providing a second visual reference feature at a second predetermined location on a motor-driven component, wherein the motor-driven component is movable within a housing of the skate blade sharpening system by an adjustment mechanism; andoperating the adjustment mechanism to position the motor-driven component such that the second visual reference feature is brought into alignment with the first visual reference feature thereby bringing into alignment the skate blade with the grinding component.2. The method of claim 1 , wherein the first visual reference feature is positioned at a defined distance from a centerline of the at least one jaw when a skate blade is secured within the at least one jaw.3. The method of claim 1 , wherein the second visual reference feature is positioned at a defined distance from a centerline of a grinding portion of a grinding component when the grinding component is mounted on a mounting location of the motor-driven component.4. The method of claim 3 , wherein the centerline of the grinding component is at a maximum ...

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Номер записи: 49
21-01-2021 дата публикации

METHOD FOR SLICING WORKPIECE AND WIRE SAW

Номер: US20210016413A1
Автор: KITAGAWA Koji, TOYODA Shiro
Принадлежит: SHIN-ETSU HANDOTAI CO., LTD.

A method for slicing a workpiece with a wire saw which includes a wire row formed by winding a fixed abrasive grain wire having abrasive grains secured to a surface thereof around multiple grooved rollers, the method including feeding a workpiece to the wire row for slicing while allowing the fixed abrasive grain wire to reciprocatively travel in an axial direction thereof, thereby slicing the workpiece at multiple positions aligned in an axial direction of the workpiece simultaneously. The method includes: supplying a coolant for workpiece slicing onto the wire row when the workpiece is sliced with the fixed abrasive grain wire; and supplying a coolant for workpiece drawing, which differs from and has a higher viscosity than the coolant for workpiece slicing, onto the wire row when the workpiece is drawn out from the wire row after the slicing of the workpiece. 15-. (canceled)6. A method for slicing a workpiece with a wire saw which includes a wire row formed by winding a fixed abrasive grain wire having abrasive grains secured to a surface thereof around a plurality of grooved rollers , the method comprising feeding a workpiece to the wire row for slicing while allowing the fixed abrasive grain wire to reciprocatively travel in an axial direction thereof , thereby slicing the workpiece at a plurality of positions aligned in an axial direction of the workpiece simultaneously ,wherein the method comprises:supplying a coolant for workpiece slicing onto the wire row when the workpiece is being sliced with the fixed abrasive grain wire; andsupplying a coolant for workpiece drawing, which is different from the coolant for workpiece slicing and has a higher viscosity than the coolant for workpiece slicing, onto the wire row when the workpiece is drawn out from the wire row after the slicing of the workpiece.7. The method for slicing a workpiece according to claim 6 , whereinthe coolant for workpiece slicing to be used has a viscosity at 25° C. of 5 mPas or less, andthe ...

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Номер записи: 50
21-01-2021 дата публикации

Sliding ring for a grinding device and method for producing the sliding ring

Номер: US20210016418A1
Автор: André Saloga, Torsten Ceranski, Werner Starke
Принадлежит: Menzer GmbH

A sliding ring for a grinding device consisting of a grinding element and a hood covering the grinding element and a sliding ring attachable to the side of the hood facing a surface to be machined, the sliding ring having a sliding surface provided for sliding on the surface to be machined, the sliding ring consisting of at least one elastic component and a sliding component, the sliding surface being formed on the sliding component and the elastic component being arranged on the side of the sliding component opposite the sliding surface.

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Номер записи: 51
28-01-2016 дата публикации

Electric Lacrosse Ball Resurfacer Method And Apparatus

Номер: US20160023318A1
Автор: Steven R. Jackson
Принадлежит: Individual

A novel electric method and apparatus for resurfacing Lacrosse balls wherein regulation size and shape of the balls is maintained, and abraded surface debris is safely evacuated into removable bags. The ball resurfacer vastly improves on any method known in the art by causing a more uniform and accurate abrasion and makes resurfacing balls safer for the user.

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Номер записи: 52
25-01-2018 дата публикации

GRINDING APPARATUS

Номер: US20180021911A1
Автор: MIYAMOTO Hiroki
Принадлежит:

A grinding apparatus includes a holding unit including a holding table having a holder for holding a workpiece and a grinding water suction part for drawing in grinding water outside of the holder, a rotational shaft having an end fixed centrally to a bottom surface of the holding table, a tubular rotary joint surrounding the rotational shaft, and a motor rotating the rotational shaft about its own axis. The rotational shaft has a first suction channel held in fluid communication with the holder of the holding table and a second suction channel held in fluid communication with the grinding water suction part. The rotary joint has a communication channel by which the first suction channel and the second suction channel are held in fluid communication with at least a suction source. 1holding means for holding a workpiece; andgrinding means for grinding the workpiece held by said holding means with a grinding stone while supplying grinding water to the workpiece,wherein said holding means includesa holding table having a holder for holding the workpiece under suction and a grinding water suction part for drawing in grinding water outside of said holder,a rotational shaft having an end fixed centrally to a bottom surface of said holding table,a tubular rotary joint surrounding said rotational shaft, androtating means for rotating said rotational shaft about its own axis,said rotational shaft has a first suction channel held in fluid communication with said holder of said holding table and a second suction channel held in fluid communication with said grinding water suction part,said tubular rotary joint has a communication channel by which said first suction channel and said second suction channel are held in fluid communication with at least a suction source, andgrinding water flowing into said second suction channel is present between said rotational shaft and said rotary joint.. A grinding apparatus comprising: The present invention relates to a grinding apparatus ...

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Номер записи: 53
25-01-2018 дата публикации

Polishing method and polishing apparatus

Номер: US20180021917A1
Автор: Hisanori Matsuo, Toru Maruyama, Yasuyuki Motoshima
Принадлежит: Ebara Corp

A polishing method and a polishing apparatus which can increase a polishing rate and can control a polishing profile of a substrate being polished by adjusting a surface temperature of a polishing pad are disclosed. The polishing method for polishing a substrate by pressing the substrate against a polishing pad on a polishing table includes a pad temperature adjustment step of adjusting a surface temperature of the polishing pad, and a polishing step of polishing the substrate by pressing the substrate against the polishing pad having the adjusted surface temperature. In the pad temperature adjustment step, the surface temperature of a part of an area of the polishing pad, the area being to be brought in contact with the substrate, is adjusted during the polishing step so that the rate of temperature change of a temperature profile in a radial direction of the surface of the polishing pad becomes constant in the radial direction of the polishing pad.

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Номер записи: 54
24-01-2019 дата публикации

DUST COLLECTOR

Номер: US20190022775A1
Автор: SUZUKI Hitoshi
Принадлежит: MAKITA CORPORATION

A dust collector in one aspect of the present invention comprises a dust collection portion, a communication portion, and an interlock operation control portion. When the communication portion receives an interlock command transmitted from an electric working machine, the interlock operation control portion makes the dust collection portion operate interlocking with the electric working machine. The interlock operation control portion includes a storage portion, in which identification information specific to the electric working machine with which the dust collection portion is to be made to perform the interlock operation is stored. 1. A dust collector comprising:a dust collector main body configured to operate by receiving a power supply from an external alternating current power source; anda communication unit attached to the dust collector main body, the communication unit being configured to (1) receive an interlock command wirelessly transmitted from an electric working machine and (2) output an operation command to the dust collector main body in response to receipt of the interlock command,wherein the dust collector main body includes an isolation device configured to electrically isolate the alternating current power source from the communication unit.2. The dust collector according to claim 1 ,wherein the isolation device includes an isolation transformer.3. The dust collector according to claim 1 ,wherein the isolation device includes a contactless circuit configured to contactlessly transmit a signal between an operation portion of the dust collector main body and the communication unit, the operation portion being configured to operate by receiving power from the alternating current power source.4. The dust collector according to claim 1 , an antenna for wireless communication;', 'a signal input/output portion configured to input and output a signal including the operation command to and from the dust collector main body; and', 'a communication control ...

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Номер записи: 55
25-01-2018 дата публикации

FLUID SUPPLY PIPE

Номер: US20180023600A1
Автор: Komazawa Masuhiko, Ohki Masaru
Принадлежит:

A fluid supply pipe according to an embodiment of the invention includes an internal structure and a pipe body configured to house the internal structure. The pipe body has an inlet and an outlet and has a circular cross-section. The internal structure includes a first portion for diffusing a fluid flowing into the fluid supply pipe through the inlet radially from the center of the fluid supply pipe, the first portion being placed in the inlet side of the pipe body when the internal structure is housed in the pipe body, a second portion placed downstream from the first portion and including a plurality of spiral vanes to swirl the fluid diffused by the first portion, and a third portion placed downstream from the second portion and including a plurality of protrusions on its outer circumferential surface. 1. A fluid supply pipe comprising:an internal structure; anda pipe body configured to house the internal structure, the pipe body having an inlet and an outlet and having a circular cross-section, and a first portion for diffusing a fluid flowing into the fluid supply pipe through the inlet radially from the center of the fluid supply pipe, the first portion being placed in the inlet side of the pipe body when the internal structure is housed in the pipe body;', 'a second portion placed downstream from the first portion and comprising a plurality of spiral vanes to swirl the fluid diffused by the first portion; and', 'a third portion placed downstream from the second portion and comprising a plurality of protrusions on its outer circumferential surface., 'the internal structure comprising2. The fluid supply pipe of claim 1 , wherein at least one of the first portion claim 1 , the second portion and the third portion of the internal structure has a circular cross-section.3. The fluid supply pipe of claim 1 , wherein the first portion of the internal structure is one end of the internal structure formed in a cone shape.4. The fluid supply pipe of claim 1 , wherein ...

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Номер записи: 56
28-01-2021 дата публикации

Suction Connection Adapter

Номер: US20210022572A1
Автор: Hartmann Tim, SAUR Dietmar
Принадлежит:

A suction connection adapter for a suction device includes at least one machine connection unit and at least one suction device connection unit. The at least one machine connection unit is detachably connected to a machine tool, in particular a hand-held power tool. The at least one suction device connection unit is detachably connected to a suction hose of the suction device. The suction connection adapter has at least one sensor device. 1. A suction-extraction coupling adapter for a suction appliance , comprising:at least one machine coupling unit;at least one suction-appliance coupling unit; andat least one sensor device,wherein the at least one machine coupling unit is separably connectable to a power tool, andwherein the at least one suction-appliance coupling unit is separably connectable to a suction hose of the suction appliance.2. The suction-extraction coupling adapter as claimed in claim 1 , wherein the at least one sensor device comprises at least one sensor unit configured to sense at least one operating signal of the power tool.3. The suction-extraction coupling adapter as claimed in claim 2 , wherein the at least one sensor device comprises at least one signal processing unit configured to receive the at least one operating signal from the at least one sensor unit and process the at least one operating signal into at least one communication signal.4. The suction-extraction coupling adapter as claimed in claim 3 , wherein the at least one sensor device has at least one communication unit configured to receive the at least one communication signal from the at least one signal processing unit claim 3 , to provide at least one communication connection to the suction appliance claim 3 , and to forward the at least one communication signal.5. The suction-extraction coupling adapter as claimed in claim 3 , wherein:the at least one signal processing unit is additionally configured to convert the at least one operating signal into at least one evaluation ...

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Номер записи: 57
23-01-2020 дата публикации

Nanofluid minimum quantity lubrication grinding device of ultrasonic vibration assisted grinding fluid micro-channel infiltration

Номер: US20200023485A1
Автор: Changhe Li, Dongzhou JIA, han Zhai, MIN Yang, Naiqing Zhang, Runze LI, Teng GAO, Xianpeng ZHANG, Yali HOU, Yanbin Zhang, Yiliang YANG, Zhaorong BING
Принадлежит: QINGDAO UNIVERSITY OF TECHNOLOGY, University of Southern California USC

A NMQL grinding device of ultrasonic vibration assists grinding fluid micro-channel infiltration, and solves the problem that nanofluids are difficult to fully infiltrate the grinding zone in the prior art. Fully considers the impact of thickness of undeformed grinding debris on the grinding process and the lubrication state of single grains during material removal in the grinding process, the advantage of ultrasonic vibration assistance on improving the lubri-cooling performance of NMQL grinding is effectively achieved. According to the solution, the device includes an ultrasonic vibration mechanism capable of adjusting the spatial position of ultrasonic vibrators, the mechanism being arranged on a worktable; a NMQL grinding mechanism, arranged above a workpiece fixing table; and a grinding force measuring mechanism, including a dynamometer and a grinding force controller connected with the dynamometer, the dynamometer being arranged at the bottom of the ultrasonic vibration mechanism.

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Номер записи: 58
01-02-2018 дата публикации

GRINDING APPARATUS

Номер: US20180029187A1
Автор: Kawama Mamoru
Принадлежит:

A grinding apparatus includes a holding table for holding a wafer, a support table for supporting the holding table, a motor for rotating the support table, a frame member supporting the support table for rotation, and at least three support poles for supporting the frame member from the base. Each of the support poles has formed in the inside thereof a through-hole, a supply port which communicates the through-hole and an air supply source with each other, and an exhaust port which exhausts air having flowed through the through-hole toward the support table. Air is supplied into the through-hole to cool the support pole, and the air having flowed through the through-hole is exhausted toward the support table. 1. A grinding apparatus comprising:a base;holding means including a holding table for holding a wafer, a support table for supporting the holding table, a motor for rotating the support table, a frame member supporting the support table for rotation, and at least three support poles for supporting the frame member on the base; andgrinding means for grinding the wafer held on the holding table by grindstones;each of the support poles having a through-hole which is connected at a lower end thereof to the base and at an upper end thereof to the frame member and extends through the inside of the support pole, a supply port disposed at a lower end side of the through-hole and communicating the through-hole and an air supply source with each other, and an exhaust port disposed at an upper end side of the through-hole and configured to exhaust air, which has flowed in the through-hole, toward the support table;air being supplied into the through-hole to cool each of the support poles while the air having flowed through the through-hole is exhausted toward the support table to cool the support table thereby to prevent thermal deformation of the support pole and the support table.2. The grinding apparatus according to claim 1 , whereinat least one of the three support ...

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Номер записи: 59
17-02-2022 дата публикации

HANDHELD CUTOFF GRINDER

Номер: US20220048154A1
Автор: SPECHT Helmut, TEUFELHART Stefan, VEIK Guenther
Принадлежит:

Handheld cutoff grinder including a cutting disk (), a motor housing having a drive unit and a cantilever () with a support arm () and an arm cover (). A stop element () is provided in the arm cover () for the spindle (), the stop element limiting the movement of the spindle () in a plane () perpendicular to the axis of rotation () during operation. 18-. (canceled)9: A handheld cutoff grinder comprising:a spindle;a cutting disk arranged on the spindle and rotatable about an axis of rotation;a motor housing with a drive unit, the spindle being connected to the drive unit via a transmission device; anda cantilever with an arm cover and a support arm having a first end and a second end, the support arm being fixed by the first end on the motor housing and the spindle being fixed via a bearing element to the second end,the arm cover being fastened on the support arm via fasteners;a stop being provided in the arm cover for the spindle, the stop limiting movement of the spindle in a plane perpendicular to the axis of rotation during operation.10: The cutoff grinder as recited in wherein the support arm has a first bearing seat and a second bearing seat at the second end claim 9 , a first bearing being arranged in the first bearing seat claim 9 , and a second bearing being arranged in the second bearing seat.11: The cutoff grinder as recited in wherein the arm cover is a metal material.12: The cutoff grinder as recited in wherein the metal material is a light metal material.13: The cutoff grinder as recited in wherein the stop is an insert claim 9 , the insert being arranged in a bearing seat formed in the arm cover.14: The cutoff grinder as recited in wherein the stop is a bearing arranged in a bearing seat formed in the arm cover.15: The cutoff grinder as recited in wherein the spindle is mounted in the support arm via the first and second bearings and is mounted in the arm cover via a further bearing.16: The cutoff grinder as recited in wherein the first bearing is ...

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Номер записи: 60
30-01-2020 дата публикации

AUTOMATED DRYWALL PLANNING SYSTEM AND METHOD

Номер: US20200032528A1
Автор: Albert Kevin B., Allen Thomas F., Hein Gabriel F., Telleria Maria J., Yan Charlie
Принадлежит:

An automated drywalling system network that including one or more automated drywalling systems that each has a robotic arm. The automated drywalling system network can also include a computational planner that generates instructions for the one or more automated drywalling systems to perform two or more drywalling tasks associated with a target wall assembly. The two or more drywalling tasks can include a hanging task that includes hanging pieces of drywall on studs of the target wall assembly; a mudding task that includes applying joint compound to pieces of drywall hung on studs of the target wall assembly; a sanding task that includes sanding joint compound applied to the pieces of drywall hung on studs of the target wall assembly; and a painting task that includes painting sanded the joint compound applied to the pieces of drywall hung on studs of the target wall assembly. 1. An automated drywalling system network comprising:one or more automated drywalling systems that each comprise a positioning stage;a first network communications device to communicate with the one or more automated drywalling systems within a network; and generates instructions for the one or more automated drywalling systems to perform two or more drywalling tasks associated with a target wall assembly, the two or more drywalling tasks including:', 'a sanding task that includes sanding specific areas of joint compound applied to pieces of drywall hung on studs of the target wall assembly, with the specific areas being at least associated in part with a mudding task, the sanding task being based at least in part on a plan for a configuration of a plurality of drywall pieces to be disposed on studs of the target wall assembly, and based at least in part on determining that the joint compound is dried or cured; and', 'a painting task that includes painting at least sanded portions of the specific areas of the joint compound applied to the pieces of drywall hung on studs of the target wall ...

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Номер записи: 61
05-02-2015 дата публикации

GRINDING WORKBENCH WITH IMPROVED STRUCTURE

Номер: US20150038060A1
Автор: LU Li-Chou, LU Ming-En
Принадлежит:

The present invention is primarily assembled from a main body, a lifting device, a control switch, a grinding device, a nozzle apparatus, and a dust collecting device. The main body includes a first casing, and a second casing disposed within the first casing. The lifting device enables raising and lowering of the first casing relative to the second casing for adjustment to a suitable height. An operating area at the top of the first casing is equipped with the control switch. The nozzle apparatus includes an air compressor, a dryer, a sand storage tank, and a nozzle, which facilitate the user in operational use, and enable powerful collection of dust. In particular, during the sand blasting process, the present invention enables optimum handling of environmental dust pollution. 1. A grinding workbench with improved structure , comprising:a main body, the main body comprises a first casing, and a second casing disposed within the first casing, the second casing is equipped with a lifting device, and the lifting device is assembled from a lifting platform disposed in the second casing; and a lifting rod that is joined to the lifting platform and also connected to the first casing, thereby enabling a raising and lowering movement of the first casing;an operating area configured at a top end of the first casing, a dust collecting opening is defined within the operating area, a transparent component is disposed on a top surface of the operating area, and a light emitting component is disposed on an inner side of the top surface of the operating area, an operating opening is formed in each of two side walls of the operating area, and the operating openings provide passage to an interior of the operating area; the interior of the operating area is fitted with a control switch, a grinding device is electrically connected to the control switch, and a nozzle apparatus is electrically connected to the control switch; the nozzle apparatus comprises an air compressor that ...

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Номер записи: 62
05-02-2015 дата публикации

Hand-guided power tool

Номер: US20150038064A1
Автор: Deigendesch Tobias, Elfner Jörg, Hoche Florian
Принадлежит:

A hand-guided power tool has a support arm and a tool member supported on the support arm. A drive motor is provided and a drive belt is rotatably driven by the drive motor and drives in turn the tool member. The support arm has a belt chamber in which the drive belt is arranged. The belt chamber is closed off relative to the environment and sealed off relative to the environment. 1. A hand-guided power tool comprising:a support arm;a tool member supported on the support arm;a drive motor;a drive belt driven in rotation by the drive motor and driving the tool member;the support arm comprising a belt chamber wherein the drive belt is arranged in the belt chamber;wherein the belt chamber is closed off relative to the environment and sealed off relative to the environment.2. The power tool according to claim 1 , wherein the support arm is comprised of a support arm component and a cover claim 1 , wherein the support arm component and the cover delimit the belt chamber.3. The power tool according to claim 2 , further comprising a seal claim 2 , wherein a circumferentially extending receptacle is formed between the support arm component and the cover claim 2 , and wherein the seal is arranged in the receptacle.4. The power tool according to claim 3 , wherein the support arm component and the cover delimit claim 3 , external to the belt chamber claim 3 , an exterior chamber that surrounds the belt chamber at least partially in the area of the seal.5. The power tool according to claim 4 , wherein the exterior chamber has at least one opening that communicates with the environment and wherein the at least one opening is at least partially closed by a component projecting through the opening into the exterior chamber.6. The power tool according to claim 4 , wherein the support arm component has a first rim and the cover has a second rim claim 4 , wherein the first rim is resting across at least a portion of the length of the first rim on the second rim claim 4 , and wherein ...

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Номер записи: 63
11-02-2016 дата публикации

SANDING DEVICE INCLUDING MEANS FOR CHANGING A SANDING DISK

Номер: US20160039067A1
Автор: Bonnet Samuel, Furet Benoît, Gallot Guillaume, Garnier Sebastien, Le Loch Sébastien
Принадлежит: UNIVERSITE DE NANTES

The invention relates to a sanding assembly including a sanding device () comprising a plate () for supporting a sanding disk () and motor-driven means () suitable for moving the supporting plate (), characterized in that the supporting plate () comprises two notches () distributed angularly along the periphery thereof, a first notch () for engaging with a positioning module () and a second notch () for engaging with a pulling jaw (), and a module () for verifying the presence of the sanding disk. 1. A sanding assembly comprising an abrasive disc consisting in a plate for supporting an abrasive disc and motor driven means suitable for moving the supporting plate , wherein the supporting plate comprises two notches distributed angularly along the periphery thereof , a first notch for engaging with a positioning module and a second notch for engaging with a pulling jaw and a module for verifying the presence of an abrasive disc.2. The assembly according to claim 1 , wherein it comprises 6 sub-assemblies: a system for indexing the plate claim 1 , an elevator system for pulling claim 1 , a system for pulling the disc claim 1 , a system for verifying the presence of a disc claim 1 , a system for storing new discs claim 1 , an elevator system for the magazine of new discs.3. The assembly according to claim 1 , wherein the sanding device is an orbital sander having a housing carrying a drive shaft centered on an axis and a driven shaft connected to the plate and itself centered on an axis parallel to the axis of the drive shaft but off-center with respect to this axis by a few millimeters claim 1 , the driven shaft being mounted rotationally free in a bearing connected to the drive shaft by a rigid radial arm transversal to the axis of the drive shaft.4. The assembly according to claim 1 , wherein the plate and the disc are equipped with respective through perforations of identical disposition.5. The assembly according to claim 1 , wherein the two notches are symmetrical ...

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Номер записи: 64
11-02-2016 дата публикации

FULLY ROTATABLE GRINDER GUARD ASSEMBLY AND METHOD FOR MAKING SAME

Номер: US20160039068A1
Автор: Garza David, Morris Lane
Принадлежит:

A fully rotatable guard assembly () for use with a tool having a rotating disc includes at least one rotatable bearing () for positioning on a shaft behind a rotating disc (). A shield () works with the rotatable bearing () for preventing sparks or other debris from being projected toward a user. A brake lever () is attached to the shield () for allowing the user to position the shield () at a predetermined position in relation to the rotating disc. The shield () is configured to cover approximately one-half () of the rotating disc () such that the position of the shield () can be easily rotated through use of the brake lever () for enabling the user to move the shield () such that the rotating disc () can access a workpiece. 1. A fully rotatable guard for use with a tool having a rotating disc comprising:at least one rotatable bearing for positioning on a shaft behind a rotating disc;a shield attached to the rotatable bearing for preventing sparks or other debris from being projected toward a user;a brake lever attached to the shield for allowing the user to position the shroud at a predetermined position in relation to the rotating disc; andwherein the shield covers at least one-half (½) of the rotating disc such that the position of the shield can be rotated through use of the brake lever enabling the user to move the shield such that the rotating disc can access a workpiece regardless of tool position.2. A fully rotatable guard as in claim 1 , further comprising a spacer positioned between the rotatable guard and tool for providing proper alignment of the tool to the rotatable guard.3. A fully rotatable guard as in claim 1 , wherein the shield is connected to a brake lever through the at least one bearing for returning the shield to a predetermined position.4. A fully rotatable guard as in claim 1 , wherein the shield returns to a predetermined position when no force is applied to the brake lever for preventing the rotating disc from controlling an undesirable ...

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Номер записи: 65
08-02-2018 дата публикации

SEMICONDUCTOR WAFER AND METHOD OF WAFER THINNING USING GRINDING PHASE AND SEPARATION PHASE

Номер: US20180040469A1
Автор: Seddon Michael J.
Принадлежит: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC

A semiconductor wafer has a base material. The semiconductor wafer may have an edge support ring. A grinding phase of a surface of the semiconductor wafer removes a portion of the base material. The grinder is removed from or lifted off the surface of the semiconductor wafer during a separation phase. The surface of the semiconductor wafer and under the grinder is rinsed during the grinding phase and separation phase to remove particles. A rinsing solution is dispensed from a rinsing solution source to rinse the surface of the semiconductor wafer. The rinsing solution source can move in position while dispensing the rinsing solution to rinse the surface of the semiconductor wafer. The grinding phase and separation phase are repeated during the entire grinding operation, when grinding conductive TSVs, or during the final grinding stages, until the final thickness of the semiconductor wafer is achieved. 1. A method of making a semiconductor device , comprising:providing a semiconductor wafer including a base material;grinding a surface of the semiconductor wafer during a grinding phase using a grinder to remove a portion of the base material;lifting the grinder off the surface of the semiconductor wafer during a separation phase; andrinsing the surface of the semiconductor wafer and under the grinder during the separation phase to remove particles.2. The method of claim 1 , further including repeating the grinding phase and separation phase.3. The method of claim 1 , further including rinsing the surface of the semiconductor wafer during the grinding phase and separation phase to remove the particles.4. The method of claim 1 , further including lifting the grinder 3-10 micrometers off the surface of the semiconductor wafer.5. The method of claim 1 , further including pausing movement of the grinder in the downward direction during the separation phase.6. The method of claim 1 , wherein the semiconductor wafer includes an edge support ring.7. A method of making a ...

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Номер записи: 66
12-02-2015 дата публикации

Surface Processing System for a Work Piece

Номер: US20150044944A1
Автор: Qiyue Chen
Принадлежит: TAIZHOU FEDERAL ROBOT TECHNOLOGY Co Ltd

The present invention provides a surface processing system for a work piece in the mechanical technical field. The system comprises at least one group of polishing units. A manipulator and several polishers with different polishing precisions are provided on the polishing units. The polishers are arranged around the manipulator in turn. The work piece could be moved by the manipulator between the processing center and the polishing units. The machined work piece is loaded by the manipulator for one time when the manipulator is located at the processing center. When the manipulator is located at the polishing units, the manipulator keeps holding the work piece and transfers the work piece in a preset sequence to each polisher corresponding to the polishing unit where the manipulator is located. The surface of work pieces having different wall thicknesses and complex surfaces could be processed in a large batch with a high efficiency.

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Номер записи: 67
18-02-2021 дата публикации

LOW-TEMPERATURE METAL CMP FOR MINIMIZING DISHING AND CORROSION, AND IMPROVING PAD ASPERITY

Номер: US20210046602A1
Автор: BAJAJ Rajeev, Brown Brian J., Chang Shou-Sung, Soundararajan Hari, Tang Jianshe, Wang You, Wu Haosheng, Yang Yen-Chu
Принадлежит:

A chemical mechanical polishing system includes a platen to support a polishing pad having a polishing surface, a source of coolant, a dispenser having one or more apertures suspended over the platen to direct coolant from the source of coolant onto the polishing surface of the polishing pad; and a controller coupled to the source of coolant and configured to cause the source of coolant to deliver the coolant through the nozzles onto the polishing surface during a selected step of a polishing operation. 1. A chemical mechanical polishing system , comprising:a platen to support a polishing pad having a polishing surface;a source of coolant;a dispenser having one or more apertures suspended over the platen to direct coolant from the source of coolant onto the polishing surface of the polishing pad; anda controller coupled to the source of coolant and configured to cause the source of coolant to deliver the coolant through the nozzles onto the polishing surface during a selected step of a polishing operation.2. The system of claim 1 , wherein the source of coolant comprises a source of a liquid coolant medium.3. The system of claim 2 , wherein the liquid coolant medium comprises one or more of liquid nitrogen or water.4. The system of claim 1 , wherein the source of coolant comprises a source of a gas coolant medium.5. The system of claim 4 , wherein the gas coolant medium includes nitrogen or carbon dioxide.6. The system of claim 4 , wherein the source of gas coolant medium includes compressed gas.7. The system of claim 4 , wherein the source of gas coolant medium is connected to a vortex tube configured to direct a cold stream of gas onto the polishing pad.8. The system of claim 1 , wherein the nozzle is configured to start and stop fluid flow through the nozzles.9. The system of claim 1 , wherein the selected step is a conditioning step.10. The system of claim 1 , wherein the selected step is a metal clearing step.11. The system of claim 1 , wherein the selected ...

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Номер записи: 68
15-02-2018 дата публикации

MACHINING A COOLED REGION OF A BODY

Номер: US20180043504A1
Автор: Barnat Krzysztof, Reed Gordon M.
Принадлежит:

A method is provided for manufacturing a component using a body comprising metal. This method includes: cooling the body to provide at least a cooled region of the body; and machining the cooled region using a tool that contacts the cooled region. 1. A method for manufacturing a component using a body comprising metal , the method comprising:cooling the body to provide at least a cooled region of the body; andmachining the cooled region using a tool that contacts the cooled region.2. The method of claim 1 , wherein the cooling of the body comprises cooling a select region of the body.3. The method of claim 1 , wherein the cooling of the body comprises cooling substantially an entirety of the body.4. The method of claim 1 , wherein the body is cooled using cryogenic fluid.5. The method of claim 4 , wherein the cryogenic fluid comprises liquid nitrogen.6. The method of claim 4 , wherein the cryogenic fluid comprises liquid carbon-dioxide.7. The method of claim 4 , wherein the cryogenic fluid is directed to a first location during the cooling of the body claim 4 , and the tool is at a second location behind the first location.8. The method of claim 1 , further comprising cooling the tool during the machining.9. The method of claim 8 , wherein the tool is cooled using cryogenic fluid.10. The method of claim 1 , wherein the machining of the cooled region comprises milling the cooled region.11. The method of claim 1 , wherein the machining of the cooled region comprises turning the cooled region.12. The method of claim 1 , wherein the machining of the cooled region comprises drilling the cooled region.13. The method of claim 1 , wherein the machining of the cooled region comprises grinding the cooled region.14. The method of claim 1 , wherein the machining of the cooled region comprises cutting the cooled region.15. A method for manufacturing a component claim 1 , comprising:cooling a body and a tool using cryogenic fluid; andmachining a cooled region of the body using a ...

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Номер записи: 69
06-02-2020 дата публикации

Substrate holding apparatus, substrate suction determination method, substrate polishing apparatus, substrate polishing method, method of removing liquid from upper suface of wafer to be polished, elastic film for pressing wafer against polishing pad, substrate release method, and constant amount gas supply apparatus

Номер: US20200043773A1
Автор: Makoto Fukushima, Osamu Nabeya, Satoru Yamaki
Принадлежит: Ebara Corp

A substrate holding apparatus is provided, which includes a top ring main body to which an elastic film having a surface that can suck a substrate can be attached, a first line communicating with a first area of the plurality of areas, a second line communicating with a second area different from the first area of the plurality of areas, a pressure adjuster that can pressurize the first area by feeding fluid into the first area through the first line and can generate negative pressure in the second area through the second line, and a determiner that performs determination of whether or not the substrate is sucked to the elastic film based on a volume of the fluid fed into the first area or a measurement value corresponding to pressure in the first area.

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Номер записи: 70
03-03-2022 дата публикации

Apparatus and method for cutoff machining sintered magnet

Номер: US20220063049A1
Автор: Hitoshi Inami, Kazuhito Akada, Masaki Kasashima, Takafumi Ueno
Принадлежит: Shin Etsu Chemical Co Ltd

A sintered magnet sawing apparatus is provided comprising a cylindrical work carrier mounted on a horizontal rotating spindle and having a regular polygonal shape in a perpendicular cross section, and a plurality of endless elastic belts adapted to force a work of sintered magnet against the carrier surface to secure the work thereto and adapted to travel synchronously with and counter to the rotation of the carrier in a circulatory manner. In accordance with rotation of the carrier, the work is delivered to the peripheral surface of the carrier, secured thereto by the elastic belts, moved further forward and cutoff machined by an outer cutoff blade. The divided work is moved further forward, released and discharged from the carrier.

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Номер записи: 71
14-02-2019 дата публикации

APPARATUS FOR SHORTENING THE ROTOR BLADES OF A TURBOMACHINE

Номер: US20190047108A1
Автор: Genz Alexander, Liedtke Samuel, Lohse Florian
Принадлежит:

A belt grinding apparatus for grinding the tips of rotor blades is supported on a rotating rotor. A casing contains the rotatable rotor. An opening in the casing permits access of a grinding belt into the casing where the belt grinds the tips of the blades rotating past. The belt grinding apparatus is attached at the opening at a parting line in the casing. 1. An apparatus for shortening at least one rotor blade of a turbomachine by grinding a blade tip of the at least one rotor blade of the turbomachine , the apparatus comprising:a casing;a blade tip grinding device comprising only one grinding belt, only one contact roller, and only one tensioning roller, the only one grinding belt running around the only one contact roller and the only one tensioning roller, the blade tip grinding device being positioned at the casing;a rotor in the casing, the rotor being configured for supporting rotor blades on the rotor and oriented for the blades to extend outwardly from the rotor, wherein each supported blade has a tip extending outwardly from the rotor so as to be ground by the grinding device;an opening into the casing formed by removing an upper half of the casing, the opening extending a distance around the rotor and a lower half of the casing to allow access by the grinding device to the tips of the rotor blades as the rotor blades on the rotor rotate past the opening in the casing and past the grinding device;a support surface of the lower half of the casing at the opening, the grinding device being supported on the lower half of the casing at the support surface of the lower half of the casing, the grinding device being positioned to cause the grinding device to extend to the tips of the rotor blades moving past the grinding device for causing the grinding device to grind the tips of the blades;an orienting device located and configured for orienting the rotor blade tips and the grinding device with respect to each other so that when the grinding device is grinding ...

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Номер записи: 72
14-02-2019 дата публикации

PROCESSING APPARATUS

Номер: US20190047116A1
Автор: KAKEFUDA Masaki
Принадлежит:

A processing apparatus includes a chuck table configured to hold a plate-shaped workpiece thereon, a processing unit including a spindle having an end portion at which a processing tool for grinding or polishing a workpiece held on the chuck table is to be mounted, a processing room surrounded by a wall and configured to accommodate the chuck table and the end portion of the spindle therein, and a dirty situation indication unit configured to indicate a degree of adhesion of processing waste, which is generated by grinding or polishing of the workpiece, to the wall. The dirty situation indication unit includes a transmission window made of a member that passes visible rays therethrough and configuring part of the wall, and a color sample indication unit indicative of a relationship between an amount of the processing waste adhering on the transmission window and a color of the transmission window. 1a chuck table configured to hold a plate-shaped workpiece thereon;a processing unit including a spindle having an end portion at which a processing tool for grinding or polishing the workpiece held on the chuck table is to be mounted;a processing room surrounded by a wall and configured to accommodate the chuck table and the end portion of the spindle therein; anda dirty situation indication unit configured to indicate a degree of adhesion of processing waste, which is generated by grinding or polishing of the workpiece, to the wall, wherein a transmission window made of a member that passes visible rays therethrough and configuring part of the wall, and', 'a color sample indication unit provided in an overlapping relationship with the transmission window or adjacent the transmission window and indicative of a relationship between an amount of the processing waste adhering on the transmission window and a color of the transmission window., 'the dirty situation indication unit includes'}. A processing apparatus, comprising: The present invention relates to a processing ...

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Номер записи: 73
14-02-2019 дата публикации

Dressing apparatus and dressing method for substrate rear surface polishing member

Номер: US20190047118A1
Автор: Akihiro Kubo, Hayato HOSAKA, Ryuto OZASA, Yasushi Takiguchi, Yoshiki Okamoto
Принадлежит: Tokyo Electron Ltd

A dressing apparatus 200 includes a bus member 203 which is equipped with a ceiling plate 201 and a circular or polygonal cylindrical skirt portion 202 provided at a bottom surface of the ceiling plate 201 and which is configured to accommodate a polishing pad 131 from thereabove. The bus member 203 includes a dual fluid nozzle 204 configured to jet a cleaning liquid and a gas onto a polishing surface of the polishing pad 131; a dress board 205 configured to come into contact with the polishing surface of the polishing pad 131; and a rinse nozzle 206 configured to supply a rinse liquid onto a contact surface between the polishing surface of the polishing pad 131 and the dress board 205. A cleaning liquid, a fragment of a grindstone or a sludge is suppressed from being scattered around by the skirt portion 202.

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Номер записи: 74
25-02-2021 дата публикации

HAND-HELD TOOL

Номер: US20210053175A1
Автор: ETO Yu, Goto Ken, ISHIKAWA Junya, KOTSUJI Takafumi, NINAGAWA Satoshi, Otani Ryosuke
Принадлежит: MAKITA CORPORATION

A hand-held tool, such as a disc grinder, is used to perform work at a high work site, a countermeasure is taken to prevent the hand-held tool from falling by using a suspension tool, such as a tether strap. If a coupling part that couples the suspension tool to the hand-held tool is damaged, this fact is notified to a user. Thereby, an original function of the suspension tool can be reliably performed. If a large impact is applied to a coupling member via a suspension tool, the coupling member is displaced to a second position, due to the deformation of a first position retaining member. A conductive portion disengages from contacts to cause a power circuit to be shut off, thereby prohibiting a main body part from being activated. 1. A hand-held tool that is held by a user with his or her hand to operate , comprising ,a coupling part that couples a suspension tool, wherein:the coupling part includes a coupling member that is displaceably supported relative to a housing of the hand-held tool between a first position and a second position, and a first position retaining member that holds the coupling member at the first position; andthe coupling member is displaced to the second position due to deformation of the first position retaining member, thereby prohibiting a main body of the hand-held tool from being activated.2. The hand-held tool according to claim 1 , wherein a shut off of a power circuit causes the main body of the hand-held tool to be prohibited from activation.3. The hand-held tool according to claim 2 , wherein:the power circuit includes a circuit conductive part comprising a conductive portion and a contact;the coupling member includes the conductive portion;the coupling member is supported by a frame member that includes the contact;the circuit conductive part is in an electrically conductive state when the conductive portion and the contact are in contact;the circuit conductive part is in an electrically nonconductive state when the conductive ...

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Номер записи: 75
25-02-2021 дата публикации

PROTECTIVE DEVICE OF POWER TOOL

Номер: US20210053186A1
Автор: HUANG Jui-Chen, KUO TUNG-CHIN
Принадлежит: MOBILETRON ELECTRONICS CO., LTD.

A protective device of a power tool includes a fixing base having a tube portion and an abutting surface, a restricting ring fitting around the tube portion, several springs disposed between the abutting surface and a first end of the restricting ring, a protective cover having several second projections and several second recesses, and a locking member. The first end has an abutting portion. A second end of the restricting ring has several first projections and several first recesses matching with the second projections and the second recesses. The restricting ring is located between the protective cover and the abutting surface. When a blocking portion of the locking member moves to a first position, the blocking portion restricts the restricting ring from moving toward the abutting surface. When the blocking portion moves to a second position, the blocking portion leaves a position between the abutting surface and the abutting portion. 1. A protective device of a power tool , comprising:a fixing base adapted to be engaged with the power tool and having a tube portion and an abutting surface, wherein the tube portion is adapted to be passed through by an output shaft of the power tool; the abutting surface is located on an outer periphery of the tube portion;a restricting ring which fits around the tube portion and is movable in an axial direction of the tube portion, wherein the restricting ring has a first end and a second end which face opposite directions; the first end faces the abutting surface of the fixing base and has an abutting portion; the second end has a plurality of first projections which are arranged in an annular shape and are arranged at intervals and a plurality of first recesses which are arranged in an annular shape and are arranged at intervals; the first projections and the first recesses are arranged alternately;a plurality of springs disposed between the abutting surface of the fixing base and the first end;a protective cover rotatably ...

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Номер записи: 76
03-03-2022 дата публикации

Workpiece supporting apparatus and workpiece supporting method

Номер: US20220068695A1
Автор: Makoto Kashiwagi, Mao Izawa
Принадлежит: Ebara Corp

A workpiece supporting apparatus capable of preventing a surface of a workpiece from drying out while maintaining a suction force when supporting the workpiece with a Bernoulli chuck is disclosed. The workpiece supporting apparatus includes a Bernoulli chuck configured to generate a suction force by emitting a gas; and a liquid ejection member surrounding the Bernoulli chuck and configured to discharge a liquid around the Bernoulli chuck.

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Номер записи: 77
26-02-2015 дата публикации

WATERPROOF SANDER

Номер: US20150056896A1
Автор: CHEN Bach Pangho
Принадлежит: X'POLE PRECISION TOOLS INC.

A waterproof sander comprises a body and a waterproof cover. The body has a housing to hold a drive motor, a drive board driven by the drive motor to proceed a rotational displacement and a sanding disk movable by the drive board and separated from the housing to form a gap between them. The waterproof cover includes a first sealing portion, a mask portion extended from the first sealing portion, and a second sealing portion integrally extended from the mask portion. The first sealing portion is attached to the housing. The mask portion covers the gap. The second sealing portion is located between the drive board and sanding disk to prevent liquid from flowing into the body to provide waterproof effect. 1. A waterproof sander , comprising:a body including a housing to hold a drive motor, a drive board driven by the drive motor to proceed a rotational displacement and a sanding disk movable by the drive board and separated from the housing to form a gap between them; anda waterproof cover which is coupled on the body and includes a first sealing portion attached to the housing, a mask portion extended from the first sealing portion to cover the gap and a second sealing portion extended from the mask portion and located between the drive board and the sanding disk.2. The waterproof sander of claim 1 , wherein the second sealing portion includes at least one first jutting ring protrusive towards the drive board.3. The waterproof sander of claim 1 , wherein the second sealing portion includes at least one second jutting ring protrusive towards the sanding disk.4. The waterproof sander of claim 1 , wherein the drive board includes at least one first positioning hole claim 1 , the second sealing portion including at least one fastening hole corresponding to the first positioning hole claim 1 , the first positioning hole and the fastening hole being fastened together through a fastening element to fixedly couple the drive board and the second sealing portion.5. The ...

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Номер записи: 78
10-03-2022 дата публикации

Apparatus for cutting, grinding, and polishing work pieces at multiple axes

Номер: US20220072672A1
Автор: Sergey Nikolenko
Принадлежит: Individual

An apparatus and related assembly that may be used for cutting, grinding, and polishing surfaces is disclosed. The apparatus may comprise an extended rail, a saddle, movably mounted on top of the extended rail, a side block connected to the lateral side of the saddle and one or more clamps that may securely fasten a machining surface to the extended rail. The apparatus may further comprise a coolant pipe for ejecting coolant onto the machining surface, an index plate attached to the side block onto which a power tool may be mounted using an angled connector that allows the power tool to be fixed onto the index plate at a plurality of angles. Herein, the power tool may comprise of a motor and a set of replaceable blades rotatably connected to the motor for performing operations including cutting, grinding, or polishing of the machining surface.

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Номер записи: 79
15-05-2014 дата публикации

METHOD AND DEVICE FOR SETTING A PREDETERMINED RADIAL GAP WIDTH FOR ROTOR BLADES OF A TURBOMACHINE

Номер: US20140134926A1
Автор: Groppe Rolf, Keller Michael, Kirchhübel Uwe, WOITSCHECK Rolf-Dieter
Принадлежит:

A method and device for setting a predetermined radial gap width for rotor blades arranged in a housing of a turbomachine is provided. The method includes removing a housing part and at least partially exposing the rotor blades which are to be machined, arranging a grinding device in the region of a rotor blade which is to be machined such that the tip of the rotor blade is machined using a grinding disk of the grinding device, screening off the machining region by arranging a screening device which is formed so as to counter a release of grinding dust from the screen off machining region, providing a suction extraction such that it extracts grinding dust from the screened-off machining region and grinding the tip of the rotor blade in situ producing the radial gap width. 1. A method for setting a predetermined radial gap width for rotor blades arranged in a housing of a turbomachine , the method comprising:removing a housing part, at least partially exposing the rotor blades which are to be machined;arranging a grinding device in the region of a rotor blade which is to be machined such that the tip of the rotor blade is machined using a grinding disk of the grinding device;screening off the machining region by arranging a screening device which is formed so as to counter a release of grinding dust from the screened-off machining region;providing a suction extraction such that it extracts grinding dust from the screened-off machining region; andgrinding the tip of the rotor blade in situ, producing the predetermined radial gap width.2. The method as claimed in claim 1 ,wherein, upon completion of the grinding, the grinding device and a further rotor blade are oriented toward each other, andwherein the screening off and the providing are repeated.3. The method as claimed in claim 1 ,wherein the grinding is carried out on a rotor blade whose tip is already pre-ground.4. The method as claimed in claim 1 ,wherein the screening device is formed by a brush arrangement ...

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Номер записи: 80
02-03-2017 дата публикации

ELECTRIC TOOL

Номер: US20170057075A1
Автор: Takeda Yuuki
Принадлежит:

A grinder includes a spindle on which a grindstone wheel is mounted, and a wheel guard covering the grindstone wheel, the grinder including: an attachment portion having a housing portion and provided to a main body rotatably holding the spindle to surround the spindle; a fitting portion being provided to the wheel guard and fitting into the attachment portion; locking pieces disposed to the fitting portion at a different position in a circumferential direction of the spindle; cut-out portions disposed to the attachment portion at a different position in the circumferential direction and allowing the locking pieces to enter the housing portion; and an inner circumferential edge disposed to the attachment portion at a different position from the positions of the cut-out portions in the circumferential direction and being pressed against the locking pieces housed in the housing portion. 1. An electric tool comprising:a spindle on which a rotating tool is mounted;a wheel guard covering the rotating tool mounted on the spindle;an attachment portion including a housing portion and provided to a main body rotatably holding the spindle so as to surround the spindle;a fitting portion provided to the wheel guard and being fitted into the attachment portion;a plurality of locking pieces disposed to the fitting portion at a different position in a circumferential direction of the spindle;a plurality of cut-out portions disposed to the attachment portion at a different position in the circumferential direction and allowing at least one of the plurality of locking pieces to enter the housing portion; anda support portion disposed to the attachment portion at a different position from the positions of the plurality of cut-out portions in the circumferential direction and being pressed against the plurality of locking pieces housed in the housing portion.2. The electric tool according to claim 1 ,wherein the attachment portion includes a housing attached to the main body, and a ...

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Номер записи: 81
04-03-2021 дата публикации

ELECTRIC GRINDING MACHINE

Номер: US20210060722A1
Автор: ETO Naoya
Принадлежит:

An electric grinding machine includes a spindle to be driven with a motor; a grinding disc attached to the spindle; a cover covering the grinding disc; a window disposed on the cover to expose an outer circumference of the grinding disc; a hinge mechanism joining the window to the cover so that the window freely moves between an opened position and a closed position, said hinge mechanism having a rotational axis disposed on the cover; a gate protruding from the window and having a cylindrical portion concentrical to the rotational axes; a hallowed portion formed in the gate, said hallowed portion forming a passage opening between the cover and the cylindrical portion when the window is closed; a slider disposed on the cover, said slider configured to pass through the passage opening to hold the window in the closed position; and a piston spring urging the slider toward the window. 1. An electric grinding machine comprising:a spindle to be driven with a motor;a grinding disc attached to the spindle;a cover covering the grinding disc;a window disposed on the cover to expose an outer circumference of the grinding disc;a hinge mechanism joining the window to the cover so that the window freely moves between an opened position and a closed position, said hinge mechanism having a rotational axis disposed on the cover;a gate protruding from the window and having a cylindrical portion, said cylindrical portion being concentrical to the rotational axes;a hallowed portion formed in the gate, said hallowed portion forming a passage opening between the cover and the cylindrical portion when the window is in the closed position;a slider disposed on the cover, said slider being configured to pass through the passage opening to hold the window in the closed position; anda piston spring urging the slider toward the window.2. The electric grinding machine according to claim 1 , further comprising a torsion spring disposed around the rotational axes of the hinge mechanism so that the ...

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Номер записи: 82
04-03-2021 дата публикации

Cooling Device For A Rotating Polishing Disk

Номер: US20210060729A1
Автор: III Charles B., Kendall, McLain Scott S.
Принадлежит:

A cooling device for a rotating machine has a fan assembly coupled with a backing plate. A hub, on the backing plate, secures the cooling device with a shaft. The backing plate includes one or more vents to enable air to exit the cooling device. The fan includes an opening to enable air to enter the cooling device. A chamber is formed between the fan assembly and the backing plate. During rotation, air is drawn into the opening. The air is passed into the chamber and exits through the vents to cool a work surface or working pad attached to the backing plate. 1. A cooling device for a rotating machine comprising:a fan assembly coupled with a backing plate;the backing plate including one or more vents to enable air to exit the cooling device;the fan assembly including an opening to enable air to enter the cooling device;a chamber formed between the fan assembly and the backing plate; andduring rotation, air is drawn through the fan opening into the chamber and out the one or more vents in the backing plate to cool a work surface or working pad attached to the backing plate.2. The cooling device according to claim 1 , wherein a backing plate hub projects through an aperture in the fan assembly.3. The cooling device according to claim 1 , further comprising a foam pad attached to the backing plate.4. The cooling device according to claim 1 , wherein the fan assembly is of a one piece construction.5. The cooling device according to further comprising:the fan assembly including a shroud with the opening to enable air to enter the cooling device;a separating plate positioned between the shroud and the backing plate;a plurality of vanes positioned between the shroud and the separating plate, the plurality of vanes drawing the air into the cooling device;the chamber is formed between the separating plate and the backing plate.6. The cooling device according to claim 2 , wherein each one of the plurality of vanes is shaped as an airfoil and each vane extends from the shroud ...

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Номер записи: 83
20-02-2020 дата публикации

SPLASH GUARDS FOR GRINDER/POLISHER MACHINES AND GRINDER/POLISHER MACHINES HAVING SPLASH GUARDS

Номер: US20200055163A1
Автор: Cisowski Stanislaw, Nelson Calvin
Принадлежит:

Apparatus and systems are disclosed of a splash guard for a grinder/polisher having a base, a bowl, and a platen having an outer edge to prevent splashing during the grinding/polishing operation. The splash guard includes an inner sidewall, a lower rib, and outer sidewall, and an upper rib. The lower rib has an inner edge that is spaced at least 2.5 centimeters from the outer edge of the platen to prevent pinching of an operator's hands between the platen and the splash guard. The splash guard may also include a recess formed by the upper rib, outer sidewall, and lower rib, and at least a portion of an inner edge of the upper rib is extending further inwardly towards that platen than the inner edge of the lower rib. 1. A splash guard for a grinder polisher having a base , a bowl , and a platen having an outer edge , the splash guard comprising:an inner sidewall having a first end and a second end, and configured to engage with the base such that the first end extends from the base and surrounds the bowl;a lower rib having an inner edge and an outer edge, and extending from the second end of the inner side wall;an outer sidewall having a first end and a second end, and extending from the outer edge of the lower rib such that the first end of the outer sidewall is proximate the outer edge of the lower rib; andan upper rib having an inner edge and an outer edge, and extending inwardly from the second end of the outer sidewall such that the outer edge of the upper rib is proximate the second end of the outer sidewall; andwherein the inner edge of the lower rib is spaced at least 2.5 centimeters from the outer edge of the platen.2. The splash guard of claim 1 , wherein the splash guard further comprises a recess formed by the upper rib claim 1 , outer sidewall claim 1 , and lower rib claim 1 , and at least a portion of the inner edge of the upper rib is extending further inwardly towards the platen than the inner edge of the lower rib.3. The splash guard of claim 1 , ...

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Номер записи: 84
05-03-2015 дата публикации

Grinders with Friction Drives

Номер: US20150065018A1
Автор: Albert Gregory P., Bouboulis Joseph Constantine, Bouchard James F., Livingston Patrick Sean, Pyles Douglas E.
Принадлежит:

In one illustrative embodiment, a grinder may comprise an arbor configured to rotate about a first axis and to support a grinding wheel for rotation therewith, a gear surrounding a first portion of the arbor and having a slip fit with the first portion of arbor, a motor configured to drive rotation of a drive train including the gear, a collar surrounding a second portion of the arbor and having an interference fit with the second portion of the arbor such that the collar is constrained for rotation with the arbor about the first axis, and at least one spring disposed between the gear and the collar and configured to exert a biasing force along the first axis such that one or more resulting friction forces cause the arbor to rotate with the gear when a torque exerted on the gear is less than a threshold torque. 1. A grinder comprising:an arbor configured to rotate about a first axis, the arbor being configured to support a grinding wheel for rotation therewith;a gear surrounding a first portion of the arbor and having a slip fit with the first portion of arbor;a motor configured to supply rotation to a drive train including the gear;a collar surrounding a second portion of the arbor and having an interference fit with the second portion of the arbor such that the collar is constrained for rotation with the arbor about the first axis; andat least one spring disposed between the gear and the collar, the at least one spring configured to exert a biasing force along the first axis such that one or more resulting friction forces cause the arbor to rotate with the gear when a torque exerted on the gear is less than a threshold torque.2. The grinder of claim 1 , wherein the arbor is configured to rotate independently of the gear when the torque exerted on the gear is equal to or greater than the threshold torque.3. The grinder of claim 2 , wherein the threshold torque is set to be equal to or less than a torque required to damage the gear.4. The grinder of claim 1 , ...

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Номер записи: 85
28-02-2019 дата публикации

GRINDING APPARATUS

Номер: US20190061109A1
Автор: GAWAZAWA Takayuki, TAKENOUCHI Kenji
Принадлежит:

A grinding apparatus includes a table that holds a workpiece, and a grinding unit including a grinding wheel mounted to a spindle. The grinding wheel has a grindstone formed by binding abrasive grains with a bonding agent. In addition, the grinding apparatus further includes: a supply unit that supplies grinding water to at least the grindstone when grinding the workpiece; and a light applying unit that is disposed adjacent to the table and that applies light to a grinding surface of the grindstone grinding the workpiece held by the table. The light applying unit includes a light emission section that emits light, and a diffusion preventive wall that surrounds the light emission section and prevents diffusion of the light. 1. A grinding apparatus comprising:a holding table that holds a workpiece; anda grinding unit including a spindle and a grinding wheel that is mounted to the spindle and that grinds the workpiece held by the holding table,wherein the grinding wheel has a grindstone formed by binding abrasive grains with a bonding agent, andthe grinding apparatus further comprises:a grinding water supply unit that supplies grinding water to at least the grindstone when the workpiece held by the holding table is ground by the grinding unit; anda light applying unit that is disposed adjacent to the holding table and that applies light to a grinding surface of the grindstone grinding the workpiece held by the holding table, andthe light applying unit includes a light emission section that emits light, and a diffusion preventive wall that surrounds the light emission section and that prevents diffusion of the light.2. The grinding apparatus according to claim 1 ,wherein the light applying unit is disposed on a rotational trajectory of the grinding wheel in such a manner as to face the grinding surface of the grindstone, andthe diffusion preventive wall is formed with an entrance section through which the grinding wheel enters and an exit section through which the ...

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Номер записи: 86
27-02-2020 дата публикации

Dust collector

Номер: US20200061726A1
Автор: Hitoshi Suzuki
Принадлежит: Makita Corp

A dust collector in one aspect of the present invention comprises a dust collection portion, a communication portion, and an interlock operation control portion. When the communication portion receives an interlock command transmitted from an electric working machine, the interlock operation control portion makes the dust collection portion operate interlocking with the electric working machine. The interlock operation control portion includes a storage portion, in which identification information specific to the electric working machine with which the dust collection portion is to be made to perform the interlock operation is stored.

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Номер записи: 87
27-02-2020 дата публикации

COOLANT COUPLING DEVICE

Номер: US20200061766A1
Автор: IZUMI Kazuyuki
Принадлежит:

A coolant coupling device () includes: a cylinder chamber () provided for a support member () for a tool rest () in a machine tool and supplied with coolant; a piston (P) movably arranged in the cylinder chamber (); and a coolant supply flow channel () provided for the piston (P) for passing coolant therethrough. The piston (P) is driven by the coolant supplied to the cylinder chamber () so that an outlet () of the coolant supply flow channel () is connected to a coolant inlet port () of the tool rest () to supply the coolant to the tool rest (). The piston (P) comprises a cylindrical projection () protruding toward and into the cylinder chamber (), and the coolant supply flow channel () has an inlet () that opens at an outer peripheral surface of the cylindrical projection (). 1. A coolant coupling device comprising:a cylinder chamber provided for a support member for a tool rest in a machine tool and supplied with coolant;a piston movably arranged in the cylinder chamber; anda coolant supply flow channel provided for the piston for passing coolant therethrough; wherein said piston is driven by the coolant supplied to the cylinder chamber so that an outlet of the coolant supply flow channel is connected to a coolant inlet port of the tool rest to supply the coolant to the tool rest, characterized in that:the piston comprises a cylindrical projection protruding toward and into the cylinder chamber, andthe coolant supply flow channel has an inlet that opens at an outer peripheral surface of the cylindrical projection.2. The coolant coupling device according to claim 1 , wherein said inlet has an opening area that is smaller than an opening area of said outlet. The present disclosure relates to a coolant coupling device for machine tools with a tool rest.In a machine tool such as a numerically controlled lathe, having a tool rest equipped with a plurality of tools, for example, a turret tool rest or a gang tool rest, cutting oil or the like coolant is supplied from ...

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Номер записи: 88
12-03-2015 дата публикации

METHOD FOR DETECTING A POLISHING COMPOUND AND RELATED SYSTEM AND COMPUTER PROGRAM PRODUCT

Номер: US20150072594A1
Автор: Fagan Christopher R., Pasmooij Duco B., Sim Kee Han
Принадлежит: Apple Inc.

Manufacturing methods are provided. A component may be polished to remove defects thereon. An identifier may be added to the polishing material employed to polish the component. A detector may detect the identifier. For example, the identifier may be a fluroescing material that may illuminate in the presence of a fluorescent light. A determining apparatus may determine a status of the component based on the presence or absence of the identifier. For example, the determining apparatus may determine that the component needs to be re-cleaned based on presence of the identifier. Related systems and computer program products are also provided. 1. A manufacturing method , comprising:polishing a component with a polishing material comprising an identifier; anddetecting a presence or an absence of the identifier on the component; anddetermining a status of the component based on the presence or absence of the identifier.2. The manufacturing method of claim 1 , further comprising cleaning the component after polishing the component and before detecting the presence or the absence of the identifier on the component.3. The manufacturing method of claim 2 , wherein determining the status of the component based on the presence or absence of the identifier comprises determining whether to re-clean the component.4. The manufacturing method of claim 1 , wherein determining the status of the component based on the presence or absence of the identifier comprises determining at least one of a size of an area of the polishing material on the component and a size of an area on the component without the polishing material.5. The manufacturing method of claim 1 , wherein determining the status of the component based on the presence or absence of the identifier comprises identifying a source of the component based on the identifier.6. The manufacturing method of claim 1 , wherein the identifier comprises a fluorescing material.7. The manufacturing method of claim 6 , wherein detecting the ...

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Номер записи: 89
28-02-2019 дата публикации

GRINDING APPARATUS

Номер: US20190067018A1
Автор: GAWAZAWA Takayuki, TAKENOUCHI Kenji
Принадлежит:

A grinding apparatus includes a table that holds a workpiece, and a grinding unit including a grinding wheel mounted to a spindle. The grinding wheel has a grindstone formed by binding abrasive grains with a bonding agent. In addition, the grinding apparatus further includes: a grinding water supply unit that supplies grinding water to at least the grindstone; a light applying unit that is disposed adjacent to the table and that applies light to a grinding surface of the grindstone grinding the workpiece held by the table; and a light applying unit moving section by which the light applying unit can be positioned at a first position on a rotational trajectory of the grinding wheel in the case where the grinding wheel has a first diameter and a second position on a rotational trajectory of the grinding wheel in the case where the grinding wheel has a second diameter. 1. A grinding apparatus comprising:a holding table that holds a workpiece; anda grinding unit including a spindle and a grinding wheel that is mounted to the spindle and that grinds the workpiece held by the holding table,wherein the grinding wheel has a grindstone formed by binding abrasive grains with a bonding agent, andthe grinding apparatus further comprises:a grinding water supply unit that supplies grinding water to at least the grindstone when the workpiece held by the holding table is ground by the grinding unit;a light applying unit that is disposed adjacent to the holding table and that applies light to a grinding surface of the grindstone grinding the workpiece held by the holding table; anda light applying unit moving section by which the light applying unit can be positioned at a first position on a rotational trajectory of the grinding wheel mounted on the spindle in the case where the grinding wheel has a first diameter and a second position on a rotational trajectory of the grinding wheel in the case where the grinding wheel has a second diameter.2. The grinding apparatus according to ...

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Номер записи: 90
17-03-2016 дата публикации

APPARATUS FOR TREATING SURFACE OF RADOME

Номер: US20160074992A1
Автор: CHOI Byung Geun, KIM Man Soo, KIM Seong Bin, Lee Dong Seon, LEE YOUNG JIN
Принадлежит:

The present invention provides an apparatus for treating the surface of a radome, comprising: a rotary driving unit; a vacuum suction unit; a vertical driving unit; and a surface treatment unit. The rotary driving unit comprises: a rotary shaft; and a driving motor, installed at a predetermined portion spaced apart from the rotary shaft. The vacuum suction unit comprises: a plurality of first hydraulic cylinders positioned on the rotary shaft in the circumferential direction; and a suction plate equipped at an end of a piston rod of each of the first hydraulic cylinders. The vertical driving unit comprises: a mounting plate having a hole formed in the central portion thereof. The surface treatment unit comprises: a support column vertically installed on a predetermined portion spaced apart from the mounting plate; and a support arm. 16-. (canceled)7. An apparatus for treating a surface of a radome , the apparatus comprising:a rotary driving unit provided with: a rotary shaft; and a driving motor installed at a predetermined portion spaced apart from the rotary shaft, the driving motor providing a rotational force to the rotary shaft;a vacuum suction unit provided with: a plurality of first hydraulic cylinders arranged over the rotary shaft and spaced apart from each other at predetermined intervals in a circumferential direction of the radome; and a suction plate provided at an end of a piston rod of each of the first hydraulic cylinders, the suction plate being in close contact with an inner circumferential surface of the radome;a vertical driving unit provided with: a mounting plate having a hole formed in a central portion thereof, with the rotary shaft passing through the hole; and a plurality of second hydraulic cylinders mounted under the mounting plate and vertically lifting or lowering the mounting plate that the radome sits on;a surface treatment unit provided with: a support column vertically installed on a predetermined portion spaced apart from the ...

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Номер записи: 91
15-03-2018 дата публикации

COOLANT SUPPLY DEVICE AND GRINDING TOOL HAVING A COOLANT SUPPLY DEVICE FOR A MACHINE TOOL

Номер: US20180071892A1
Автор: Jung Robert, LAU Florian
Принадлежит: DECKEL MAHO PFRONTEN GMBH

A grinding tool with a coolant supply device for a machine tool and such a coolant supply device. The coolant supply device for the grinding tool has a main body with engagement portions or holes and a line unit for redirecting coolant to a predeterminable processing area of the grinding tool. Using a clamping device, it is possible to releasably secure the coolant supply device to the shaft of the grinding tool. As a result of the attachment of the coolant supply device on the grinding tool, it is possible to tap the coolant of the machine tool via an additional valve device on the connector ring of the machine tool from the standard cooling circuit and supply it to the grinding location in a predeterminable processing area of the grinding tool. 1. A coolant supply device for a grinding tool for use on a machine tool with tool-carrying work spindle , comprisinga main body, which includes at least one engagement portion,a line unit, which is arranged on the main body and has at least one discharge opening for discharging coolant to a predeterminable processing region on the grinding tool, anda clamping device for releasably attaching the coolant supply device onto the grinding tool,wherein the coolant supply device can be secured to a connector ring of the work spindle of the machine tool via the engagement portion when the grinding tool is received on the work spindle of the machine tool.2. The coolant supply device according to claim 1 , whereinthe line unit has a coolant inlet which can dock by means of a docking device arranged on the connector ring of the work spindle of the machine tool for supplying coolant when the coolant supply device is secured to the connector ring of the work spindle of the machine tool via the engagement portion.3. The coolant supply device according to claim 1 , whereinthe clamping device is configured to secure the coolant supply device to the grinding tool before the coolant supply device is secured to the connector ring of the work ...

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Номер записи: 92
16-03-2017 дата публикации

GRINDER, COVER, AND LOCK NUT

Номер: US20170072532A1
Автор: IMUTA Ryo, Kawakami Takahiro, NINAGAWA Satoshi, Otani Ryosuke, SHIBATA Kenji
Принадлежит:

A grinder includes a motor, a housing, a spindle and a cover. The spindle protrudes downward from the housing, is driven by the motor, and thereby rotates. The cover is provided on the spindle in the circumferential direction and at least partially covers a tool accessory, which is mounted on the spindle. The cover is configured such that at least one part deforms and/or is composed of an elastic material. 1. A grinder , comprising:a motor;a housing that houses the motor;a spindle that protrudes downward from the housing, is driven by the motor, and thereby rotates; anda cover that is provided on the spindle in the circumferential direction and at least partially covers the tool accessory, which is mounted on the spindle, from above;wherein the cover is configured such that at least one part thereof deforms in a direction away from the tool accessory.2. The grinder according to claim 1 , wherein:the at least one part of the cover is composed of an elastic material; andthe cover is configured such that, owing to the deformation of the elastic material, the at least one part of the cover deforms in the direction away from the tool accessory.3. The grinder according to claim 1 , wherein:the cover comprises at least a first cover part and a second cover part that at least partially cover the tool accessory from above;the first cover part is foldably connected to the second cover part at a location that is farther spaced apart from the spindle in a radial direction than is the second cover part; andthe cover is configured such that it deforms, by the folding, in the direction away from the tool accessory.4. The grinder according to claim 3 , wherein the first cover part is connected to the second cover part via a hinge.5. The grinder according to claim 1 , wherein the at least one part comprises a particular angular area along the circumferential direction.6. The grinder according to claim 1 , wherein the cover is configured such that the at least one part is resiliently ...

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Номер записи: 93
16-03-2017 дата публикации

Grinder

Номер: US20170072533A1
Автор: Tatsuya Yoshizaki, Yuta IZUTSU
Принадлежит: Makita Corp

A grinder includes a motor, a housing that houses the motor, a spindle that projects from the housing and is driven by the motor, and thereby rotates relative to the housing, and a wheel cover that is disposed on an outer-circumference side of the spindle and is configured to cover a portion of a tool accessory attached to the spindle. The grinder also includes a holding device for holding the wheel cover on the housing such that the arrangement and position of the wheel cover around the spindle can be changed but such that the wheel cover is not readily removable from the housing.

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Номер записи: 94
16-03-2017 дата публикации

GRINDER, COVER AND COVER SET

Номер: US20170072534A1
Автор: Goto Ken, ISHIKAWA Junya, KOTSUJI Takafumi, Mizutani Akira, Nakamura Shin
Принадлежит:

A grinder () includes a motor (), a housing (), a spindle (), a first cover (), and a second cover (). The spindle protrudes downward from the housing, is driven by the motor, and thereby rotates. The first cover is provided in the circumferential direction of the spindle, is fixed to the housing, and at least partially covers a tool accessory (), which is mounted on the spindle, from above. The second cover is detachably mounted on the housing () independently of the first cover. 1. A grinder , comprising:a motor;a housing that houses the motor;a spindle that protrudes downward from the housing, is driven by the motor, and thereby rotates;a first cover that is provided in a circumferential direction of the spindle, is fixed to the housing, and at least partially covers a tool accessory, which is mounted on the spindle, from above; anda second cover that is detachably mounted on the first cover.2. The grinder according to claim 1 , wherein the second cover is detachably mounted on the first cover and at least partially covers an area of the tool accessory not covered by the first cover.3. The grinder according to claim 2 , wherein the second cover at least partially covers claim 2 , when the second cover is mounted on the first cover claim 2 , an area below the tool accessory not covered by the first cover.4. The grinder according to claim 1 , wherein the second cover is at least partly composed of an elastic material and is mounted on and dismounted from the first cover attendant by elastically deforming.5. The grinder according to claim 1 , wherein:the second cover is mountable on the first cover in a first orientation and in a second orientation; andan area of the tool accessory covered by the first and second covers is different when the second cover is mounted in the first orientation than when the second cover is mounted in the second orientation.6. The grinder according to claim 5 , wherein:when the second cover is mounted on the first cover in the first ...

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Номер записи: 95
16-03-2017 дата публикации

GRINDER AND COVER

Номер: US20170072535A1
Автор: IWAKAMI Junichi, MUTO Hideharu, Otani Ryosuke, SOEDA Naoki
Принадлежит:

A grinder includes a motor, a housing, a spindle and a cover. The spindle protrudes downward from the housing, is driven by the motor, and thereby rotates. The cover at least partially covers a tool accessory mounted on the spindle. The cover includes a first cover part and a second cover part. The first cover part is fixed to the housing and at least partially covers the tool accessory from above. The second cover part is held such that it is capable of moving relative to the first cover part. The grinder is configured such that the area of the tool accessory covered by the cover changes in accordance with the relative movement. 1. A cover configured to at least partially cover a tool accessory mounted on a spindle of a grinder , the spindle protruding downward from a housing , the cover comprising:a first cover part that is provided in a circumferential direction of the spindle, is fixed to the housing, and is configured to at least partially cover the tool accessory from above; anda second cover part that is held by the first cover part such that the second cover part is movable relative to the first cover part;wherein an area of the tool accessory covered by the cover changes in accordance with movement of the second cover part relative to the first cover part.2. A grinder comprising:a motor;a housing that houses the motor;a spindle that protrudes downward from the housing, is driven by the motor, and thereby rotates; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'a cover according to .'}3. The cover according to claim 1 , wherein the second cover part is movable relative to the first cover part along a circumferential direction of the spindle.4. The cover according to claim 3 , wherein:the first cover part is configured such that, in a specific angular area in the circumferential direction, the tool accessory is partially covered from below; andthe second cover part is movable relative to the first cover part along the circumferential direction from the ...

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Номер записи: 96
18-03-2021 дата публикации

SUCTION HOSE FOR A VACUUM CLEANER

Номер: US20210076890A1
Автор: Maier Steffen
Принадлежит:

A suction hose for a vacuum cleaner including a hose portion, which has a flexible dust removal hose body and a flexible jacket hose body, in which the dust removal hose body is arranged, wherein a suction flow channel for conducting a suction flow to the vacuum cleaner extends between longitudinal ends of the hose portion, which suction flow channel is bounded by a hose jacket of the dust removal hose body, a connection piece for connecting to the hand-held power tool or to the vacuum cleaner is arranged at at least one longitudinal end of the hose portion, and the jacket hose body and the dust removal hose body extend into an interior of a hose receptacle of the connection piece such that the dust removal hose body is sheathed by the jacket hose body into the hose receptacle. 1. A suction hose for a vacuum cleaner for operation with a hand-held power tool , comprising a hose portion having a flexible dust removal hose body and a flexible jacket hose body , in which the dust removal hose body is located , wherein a suction flow channel for conducting a suction flow to the vacuum cleaner extends between longitudinal ends of the hose portion , which suction flow channel is bounded by a hose jacket of the dust removal hose body , wherein a connection piece for connection to the hand-held power tool or to the vacuum cleaner is arranged at at least one longitudinal end of the hose portion , and wherein the jacket hose body and the dust removal hose body extend into an interior of a hose receptacle of the connection piece , so that the dust removal hose body is sheathed by the jacket hose body into the hose receptacle and wherein a mounting section of the dust removal hose body protrudes beyond the jacket hose body in the hose receptacle , and wherein a holding element is fastened to an outer jacket surface of the jacket hose body , which holding element covers an end face of the jacket hose body , which end face is free towards the mounting section of the dust removal ...

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Номер записи: 97
24-03-2016 дата публикации

Hydro-filtration Unit with Sanding Heads

Номер: US20160082381A1
Автор: Oksanen Daniel
Принадлежит:

A motor, a reservoir, a recovery basket, an internal hose, an external hose, a power switch, baffle with injection nozzles and floats, a sanding head, an extended sanding head, and a corner sanding head comprises a hydro-filtration unit with a sanding heads for drywall work. The sanding heads may be used to sand drywall and simultaneously draw the dust out of the air as it is created through the sanding process. The hydro-filtration prevents dust from being released into the air. Within the reservoir, the internal hose connects at one end to the motor and at the other to the floating dust injector unit and the injection nozzles. The external hose connects the sanding heads to the motor. 1. A hydro-filtration unit , comprising:(a) a motor;(b) said motor powering a vacuum pump;(c) a reservoir;(d) said reservoir being partially filled with water;(e) a recovery basket;(f) said recovery basket being of a size and shape to fit inside said reservoir;(g) a floating particle injector unit having a baffle, an interior hose attachment, a plurality of injection nozzles, and floats;(h) an internal hose;(i) said internal hose being configured to connect on one end to said vacuum pump and to connect on an opposite end to said interior hose attachment;(j) said floating particle injector being configured to float on top of said water;(k) said sanding pad being configured to attach to said sanding surface;(l) an external hose;(m) said external hose being configured to connect on one end to said vacuum pump;wherein said hydro-filtration unit is configured such that said vacuum pump draws particles and air through said external hose and propels particles and air through said internal hose and out said floating particle injector and into said water where particles accumulate in said recovery basket.2. The hydro-filtration unit of claim 1 , further comprising:(a) a sanding head having an attachment point, a hollow handle, a sanding surface, a side intake, and a surface opening;(b) said ...

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Номер записи: 98
31-03-2022 дата публикации

Relief Valve and a Hose Device for Dust Collectors, a Dust Collector and a Method for Operating a Dust Collector

Номер: US20220095863A1
Автор: Mesinovic Besim
Принадлежит:

A relief valve for portable, industrial dust collectors is provided that includes actuating means for actuating the valve between a closed position and an open position. The valve may further include retaining means for maintaining the valve in the open position. A hose device for a cleaner of a dust collector a dust collector is also provided. The hose device may be arranged such that it covers the bottom of the grid means in the cleaner when the dust collector operates and falls down when the vacuum in the dust collector is released. A cleaner, a dust collector, a grinding machine and a method for operating a dust collector are also provided. These are in conjunction with the relief valve and/or the hose device. Additionally, a dust collector with cleaner means, a relief valve, and an inlet valve and synchronization means may be arranged to govern that the actuation of the inlet valve is synchronized with actuation of the relief valve. 1. A dust collector comprising:a cyclone; anda hose device comprising a first end configured to be attached to the cyclone and a second end with a free opening, the hose device being flexible;a plurality of weights affixed to the hose device;wherein the hose device, when released from suction forces of the cyclone, extends downwards from the first end and into an open position by gravity forces associated with the weights.2. The dust collector of claim 1 , wherein the weights are evening distributed around the hose device.3. The dust collector of claim 1 , wherein each weight extends from proximate to the first end to proximate to the second end.4. The dust collector of claim 1 , wherein each weight comprises a pointed shape at a lower end of the weight.5. The dust collector of claim 1 , wherein the hose device comprises a conical shape in the open position.6. The dust collector of claim 1 , wherein the hose device is mounted at a bottom of the cyclone and the hose device hangs down from a first end disposed at the bottom of the ...

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Номер записи: 99
25-03-2021 дата публикации

Suctioning Device Having Optimized Dust Suctioning

Номер: US20210086326A1
Автор: Torben Hellmann
Принадлежит: HOMAG GMBH

By means of the present invention, a suctioning device (1) for a grinding device (100) and a method for suctioning particles produced at a grinding device (100) are provided. The suctioning device (1) has at least one suctioning channel (2), through which suctioned air can flow, and one first manipulation apparatus (3) arranged in the suctioning channel (2). The first manipulation apparatus (3) is designed to be able to directly or indirectly influence a boundary layer (G), in particular a boundary layer (G) of a circulating grinding element (111) of a grinding device (100), in particular to be able to reach into the boundary layer (G).

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Номер записи: 100