Positive Differential Lock

Methods and systems are provided for making and using a differential locking gear for locking a differential gear assembly that a first side gear connected to a first axel and a second side gear connected to a second axel. The differential locking gear has a first side with teeth configured to simultaneously mesh with first side gear teeth of the first side gear. The differential locking gear also has a second side with teeth configured to simultaneously mesh with second side gear teeth of the second side gear. The teeth of the differential locking gear that simultaneously mesh with the first and second side gears causes the first and second side gears to rotate in unison, thus locking the differential gear assembly.

Gap seal for projectile launching device

A projectile launching device includes a barrel with a bore through the barrel, and a breach end opposite of a muzzle end. A feed mechanism, with a chamber to hold a projectile, is positioned at the breach end of the barrel. The feed mechanism is moveable between a first position with the chamber and the barrel unaligned, and a second position with the chamber and the barrel aligned. A receiver is positioned on an opposite side of the feed mechanism from the barrel. The receiver includes a gas duct to convey gas into the chamber to fire the projectile. A sleeve is slidingly coupled to the receiver and is adapted to forcibly slide into a position in contact with the feed mechanism, in response to pressure from the gas conveyed through the gas duct, to seal a first gap between the receiver and the feed mechanism.

Rapid opening gas valve

A pneumatically operated gas valve includes a piston positioned in a cylinder with one closed end so that the piston may seat against a gas outlet to close the gas valve. A control reservoir may be formed in the cylinder between the piston and the closed end of the cylinder. Means for filling the control reservoir with gas to a control pressure may be provided so that the control pressure acting against the piston may close the gas valve. A release valve may be opened to allow the gas in the control reservoir to escape through an exhaust port to open the gas valve.

Tubeless tire seating device

A tool for seating a tubeless tire on a rim using pressurized gas includes a cylindrical pressure vessel with a pistol grip extending radially from the tank. The tool includes a rapid opening gas valve positioned between the cylindrical pressure vessel and a nozzle. In some embodiments the nozzle includes a jet configured to receive pressurized gas from the cylindrical pressure vessel into a chamber of the nozzle so that as the stream of gas enters the chamber, the Venturi effect causes air to enter the chamber through air intake ports and the stream of gas and air from the air intake ports is blown out of the outlet of the nozzle. The tire is seated on the rim by positioning the system so that the air from the nozzle rapidly blows into the tire between the bead of the tire and the rim upon the valve being opened.

Rapid Opening Gas Valve

A pneumatically operated gas valve includes a piston positioned in a cylinder with one closed end so that the piston may seat against a gas outlet to close the gas valve. A control reservoir may be formed in the cylinder between the piston and the closed end of the cylinder. Means for filling the control reservoir with gas to a control pressure may be provided so that the control pressure acting against the piston may close the gas valve. A release valve may be opened to allow the gas in the control reservoir to escape through an exhaust port to open the gas valve. 1. A method of quickly releasing pressurized gas through a primary outlet , the method comprising:filling a control reservoir with pressurized gas to slide a piston located in a cylinder against the primary outlet to block primary gas from flowing through the primary outlet, the gas in the control reservoir having a control pressure, the control reservoir formed within the cylinder between the piston and a closed end of the cylinder;providing the primary gas into a primary gas reservoir, wherein the primary gas reservoir is pressurized to a primary pressure and the primary outlet is a path for the pressurized primary gas to escape from the primary gas reservoir; andreleasing the pressurized gas from the control reservoir through a release valve to allow the control pressure to drop below a release pressure, said release pressure based on the primary pressure and a difference in area between an area of the primary outlet and a cross-sectional area of the piston;wherein the piston quickly slides away from the primary outlet if the control pressure drops below the release pressure, allowing the primary gas to escape through the primary outlet.2. The method of claim 1 , wherein the filling of the control reservoir comprises:providing control gas from an external source through a control gas inlet, wherein the control gas flows from the control gas inlet to the control reservoir without first flowing through ...

Offset inclined suspension

An independent suspension for a steerable wheel has a support member that is inclined so that the movement of the wheel as it travels over an obstacle includes a rearward vector. The steering spindle is positioned in such a way that it is not perpendicular to the support member, but is angled to provide the desired caster angle, which may vary between embodiments.

Gap seal for gun

A gun or other projectile launching device includes a frame, and a barrel, including a bore therethrough, held in position by the frame. A cylinder is rotatable attached to the frame in close proximity to an inner end portion of the barrel, the cylinder having multiple chambers and configured to sequentially and longitudinally align a chamber with the bore of the barrel. A sleeve is slidingly positioned over the inner end portion of the barrel. The sleeve has a front face with a central opening therethrough, that has a size less than an inner diameter of the sleeve, but no smaller than a diameter of the bore through the barrel. The sleeve is configured to slide back, substantially in response to gas pressure, until the front face of the sleeve is forcibly maintained in contact with the cylinder to eliminate a gap between the cylinder and the barrel.

Firearm Rifling

An improve firearm rifling is provided in which the trailing edge face of the land is significantly longer than the rifling land top surface. The trailing edge angle between the trailing edge face and the level of the groove floor surface is a much smaller angle than conventional rifling land trailing edge angle, while the leading edge angle of the disclosed embodiments may be akin to a conventional rifling leading edge angle. Due to this, the present embodiments provide a rifling land profile that is nonsymmetrical, with the trailing edge face being at a much lower angle than the leading edge face which is configured in a more upright orientation. 1. A gun barrel comprising:a bore traversing the length of the barrel;a plurality of lands, each of said plurality of lands having a predefined height and a top surface;a plurality of grooves on the surface of the bore, each sequential pair of said plurality of grooves being separated by one of the plurality of lands; anda trailing edge face on each one of said plurality of lands;wherein each of the plurality of lands has a land top to trailing edge ratio of no greater than 1:8.2. The gun barrel of claim 1 , wherein the trailing edge face of each of said plurality of lands has a concave shaped surface.3. The gun barrel of claim 1 , wherein the concave shaped surface has a concave surface deflection of at least 1:15.4. The gun barrel of claim 3 , wherein the concave shaped surface has a concave surface deflection of at least 1:10.5. The gun barrel of claim 3 , wherein each of the plurality of lands has a flattened land profile area approximation of no greater than 65% of a conventional flattened rectangular land area.6. The gun barrel of claim 5 , wherein each of the plurality of lands has a flattened land profile area approximation of no greater than 50% of a conventional flattened rectangular land area.7. The gun barrel of claim 5 , wherein the trailing edge face of each of said plurality of lands has a cross-sectional ...

Gap seal for projectile launching device

A projectile launching device includes a barrel with a bore through the barrel, and a breach end opposite of a muzzle end. A feed mechanism, with a chamber to hold a projectile, is positioned at the breach end of the barrel. The feed mechanism is moveable between a first position with the chamber and the barrel unaligned, and a second position with the chamber and the barrel aligned. A receiver is positioned on an opposite side of the feed mechanism from the barrel. The receiver includes a gas duct to convey gas into the chamber to fire the projectile. A sleeve is slidingly coupled to the receiver and is adapted to forcibly slide into a position in contact with the feed mechanism, in response to pressure from the gas conveyed through the gas duct, to seal a first gap between the receiver and the feed mechanism.

Rapid Opening Gas Valve

A pneumatically operated gas valve mounted on a vessel containing pressurized gas. The gas valve includes a piston positioned in a cylinder with one closed end so that the piston seats against a gas outlet to close the gas valve. A control reservoir is formed in the cylinder between the piston and the closed end of the cylinder. Upon filling vessel, some of the pressurized gas enters the control reservoir to provide a control pressure behind the piston. Actuating the control mechanism vents the control reservoir, resulting in the gas valve opening rapidly to release the pressurized gas in the vessel through an exhaust port of the gas valve. 1. A gas valve configured to be mounted on a vessel suitable for containing pressurized gas , the gas valve comprising:a cylinder configured to extend from within an interior of the vessel a distal direction through a hole in the vessel to atmosphere outside the vessel, the cylinder being affixed to the vessel in an airtight manner;an endcap of the gas valve attached to a proximal end of the cylinder, the proximal end of the cylinder being positioned within the interior of the vessel;a piston configured to slide back and forth within the cylinder, wherein a distal end of the piston is configured to move in the distal direction until coming to rest with the valve being in a closed position;a control chamber formed within the cylinder between the endcap of the gas valve and a proximal end of the piston;a control valve comprising a valve control mechanism, a control valve inlet and further comprising a control valve outlet that opens to the atmosphere outside the vessel; anda conduit pneumatically connecting the control chamber to the control valve inlet;wherein, in response to the valve control mechanism being actuated, the piston moves in a proximal direction to an open position causing the gas valve to release the pressurized gas from the vessel through one or more holes in the cylinder.2. The gas valve of claim 1 , wherein the ...

Recoil Reducing Tire Bead Seater Barrel

A nozzle for seating a tubeless tire on a rim using pressurized gas includes a coupling neck configured to accept the pressurized gas from a pressurized tank, a choke point adapter connected to the coupling neck and a nozzle body configured with a nozzle output. Pressurized air introduced into the coupling neck pass through the nozzle and exits the nozzle output in a burst of the pressurized gas that is directed between the tubeless tire and the rim to inflate the tire. The choke point adapter has a chokepoint surface with a chokepoint angle of sufficient angle to aid in reducing the recoil of the tubeless tire seating device. 1. A nozzle for seating a tubeless tire on a rim using pressurized gas , the nozzle comprising:a coupling neck configured to accept the pressurized gas;a choke point adapter connected to and in gaseous communication with the coupling neck; anda nozzle body configured with a nozzle output, wherein the coupling neck, the choke point adapter and the nozzle body are in gaseous communication such that the pressurized gas entering the coupling neck pass through the nozzle and exits the nozzle output in a burst of the pressurized gas directed between the tubeless tire and the rim;wherein the choke point adapter comprises a chokepoint surface with a chokepoint angle of at least 30 degrees.2. The nozzle of claim 1 , wherein the burst of air is of sufficient speed and volume to seat the tubeless tire on the rim.3. The nozzle of claim 1 , wherein the chokepoint angle is at least 35 degrees but no greater than 55 degrees.4. The nozzle of claim 3 , wherein the nozzle body comprises a portion having a neckdown angle of at least 5 degrees.5. The nozzle of claim 1 , wherein the chokepoint surface is a first chokepoint surface claim 1 , the nozzle further comprising:a second chokepoint surface with a chokepoint angle of at least 30 degrees.6. The nozzle of claim 4 , wherein the chokepoint surface is a first chokepoint surface and the portion have a neckdown ...

Recoil Reducing Tire Bead Seater Barrel

A nozzle for seating a tubeless tire on a rim using pressurized gas includes a coupling neck configured to accept the pressurized gas from a pressurized tank, a choke point adapter connected to the coupling neck and a nozzle body configured with a nozzle output. Pressurized air introduced into the coupling neck pass through the nozzle and exits the nozzle output in a burst of the pressurized gas that is directed between the tubeless tire and the rim to inflate the tire. The choke point adapter has a chokepoint surface with a chokepoint angle of sufficient angle to aid in reducing the recoil of the tubeless tire seating device.

Quick-Release Valve Air Gun

An air gun with a quick-release pneumatically operated gas valve that includes a piston positioned in a cylinder with one closed end so that the piston may seat against a gas outlet to close the gas valve. A control reservoir filled with gas to a control pressure is formed in the cylinder between the piston and the closed end of the cylinder so that the control pressure acts against the piston to close the gas valve. Opening a trigger valve allows the gas in the control reservoir to escape through an exhaust port, resulting in the gas valve being rapidly opened. 1. A quick-release valve air gun for shooting a projectile , comprising:a barrel with a muzzle end and a breech end;a primary gas reservoir body of a gas valve configured with a primary gas outlet in gaseous communication with the breech end of the barrel;a piston receptacle mounted in gaseous communication with the primary gas reservoir body;a piston with an inner end configured to slide into the piston receptacle and with an outer end that provides the gas valve with an airtight seal in a closed state, wherein a control reservoir is formed within the piston receptacle between an inner end of the piston and inner walls of the piston receptacle; andtrigger means for releasing control chamber gas from the control reservoir causing the piston to slide away from the primary gas outlet to an open state;wherein the piston sliding away from the primary gas outlet to the open state releases a sufficient amount of high pressure gas from the primary gas reservoir body into the breech end of the barrel to drive the projectile down the barrel out the muzzle end.2. The quick-release valve air gun of claim 1 , further comprising:a control conduit in gaseous communication with said trigger means to provide a controllable pathway for releasing the control chamber gas from the control reservoir; anda metering passage configured to provide gaseous communication between the primary gas reservoir body to the control reservoir; ...

Rapid Opening Gas Valve

A pneumatically operated gas valve mounted on a vessel containing pressurized gas. The gas valve includes a piston positioned in a cylinder with one closed end so that the piston seats against a gas outlet to close the gas valve. A control reservoir is formed in the cylinder between the piston and the closed end of the cylinder. Upon filling vessel, some of the pressurized gas enters the control reservoir to provide a control pressure behind the piston. Actuating the control mechanism vents the control reservoir, resulting in the gas valve opening rapidly to release the pressurized gas in the vessel through an exhaust port of the gas valve. 1. A gas valve in pneumatic communication with a source of pressurized gas , the gas valve comprising:a cylinder affixed to the source of pressurized gas in an airtight manner;an endcap of the gas valve attached to a proximal end of the cylinder, the proximal end of the cylinder being in contact with the pressurized gas;a piston configured to slide back and forth within the cylinder, wherein a distal end of the piston is configured to move in a distal direction until coming to rest with the valve being in a closed position;a control chamber formed within the cylinder between the endcap of the gas valve and a proximal end of the piston; anda control valve comprising a control valve inlet pneumatically connected to the control chamber and a control valve outlet pneumatically connected to atmosphere outside the gas valve.2. The gas valve of claim 1 , further comprising:a valve control mechanism configured as part of the control valve; anda conduit pneumatically connecting the control chamber to the control valve inlet;3. The gas valve of claim 2 , wherein claim 2 , in response to the valve control mechanism being actuated claim 2 , the piston moves in a proximal direction to an open position causing the gas valve to release the pressurized gas from the source of pressurized gas through one or more holes in the cylinder to an outlet ...

Rapid Opening Gas Valve

A pneumatically operated gas valve mounted on a vessel containing pressurized gas. The gas valve includes a piston positioned in a cylinder with one closed end so that the piston seats against a gas outlet to close the gas valve. A control reservoir is formed in the cylinder between the piston and the closed end of the cylinder. Upon filling vessel, some of the pressurized gas enters the control reservoir to provide a control pressure behind the piston. Actuating the control mechanism vents the control reservoir, resulting in the gas valve opening rapidly to release the pressurized gas in the vessel through an exhaust port of the gas valve. 1. A gas valve in pneumatic communication with a source of pressurized gas , the gas valve comprising:a cylinder with a proximal end and a distal end;an endcap of the gas valve attached to the proximal end of the cylinder,a piston configured to slide back and forth within the cylinder, wherein to close the gas valve the piston moves in a distal direction until a distal end of the piston reaches a closed position;a control chamber formed within the cylinder between the endcap of the gas valve and a proximal end of the piston; anda control gas passageway that allows the source of pressurized gas to leak into the control chamber at a control gas fill rate.2. The gas valve of claim 1 , further comprising:a control valve comprising a control valve inlet pneumatically connected to the control chamber and a control valve outlet pneumatically connected to atmosphere outside the gas valve; anda valve control mechanism configured as part of the control valve.3. The gas valve of claim 2 , wherein claim 2 , in response to the valve control mechanism being actuated claim 2 , the piston moves in a proximal direction to an open position causing the gas valve to release the pressurized gas from the source of pressurized gas at a gas valve burst rate.4. The gas valve of claim 3 , wherein the gas valve burst rate is at least 500 times greater than ...

Quick-Release Valve Air Gun

An air gun with a quick-release pneumatically operated gas valve that includes a piston positioned in a cylinder with one closed end so that the piston may seat against a gas outlet to close the gas valve. A control reservoir filled with gas to a control pressure is formed in the cylinder between the piston and the closed end of the cylinder so that the control pressure acts against the piston to close the gas valve. Opening a trigger valve allows the gas in the control reservoir to escape through an exhaust port, resulting in the gas valve being rapidly opened. 1. A quick-release valve air gun for shooting a projectile , comprising:a barrel with a muzzle end and a breech end;a primary gas reservoir body of a gas valve configured with a primary gas outlet in gaseous communication with the breech end of the barrel;a piston with an outer end configured to slide into closed state providing the gas valve with an airtight seal, wherein a control reservoir is formed behind the piston receptacle adjacent an inner end of the piston; andtrigger means for releasing control chamber gas from the control reservoir causing the piston to slide away from the primary gas outlet to an open state;wherein the piston sliding away from the primary gas outlet to the open state releases a sufficient amount of high pressure gas from the primary gas reservoir body into the breech end of the barrel to drive the projectile down the barrel out the muzzle end.2. The quick-release valve air gun of claim 1 , further comprising:a piston receptacle mounted in gaseous communication with the primary gas reservoir body, wherein the control reservoir is formed within the piston receptacle between an inner end of the piston and inner walls of the piston receptacle;a control conduit in gaseous communication with said trigger means to provide a controllable pathway for releasing the control chamber gas from the control reservoir; anda metering passage configured to provide gaseous communication between the ...

Tubeless Tire Seating Device

A tool for seating a tubeless tire on a rim using pressurized gas includes a cylindrical pressure tank with a nozzle affixed to it, and a rapid opening gas valve. The nozzle includes a jet configured to receive pressurized gas from the cylindrical pressure vessel into a chamber of the nozzle. As the stream of gas enters the chamber, the Venturi effect causes air to enter the chamber through air intake ports and the stream of gas and air from the air intake ports is blown out of the outlet of the nozzle. The tire is seated on the rim by positioning the system so that the air from the nozzle rapidly blows into the tire between the bead of the tire and the rim upon the valve being opened.

Tubeless tire seating device

Various embodiments of a tool for seating a tubeless tire on a rim using pressurized gas may include combinations of a cylindrical pressure vessel with a grip extending radially from the tank, a pneumatically controlled, rapid opening gas valve, and a nozzle utilizing the Venturi effect. A tire is seated on a rim by positioning the tool so that the air from the nozzle rapidly blows into the tire between the bead of the tire and the rim upon the valve being opened.

tool for fitting a tubeless tire on a rim using pressurized gas, and method for fitting a tubeless tire on a rim

FERRAMENTA PARA ASSENTAR UM PNEU SEM CÂMARA EM UM ARO COM O USO DE GÁS PRESSURIZADO, E, MÉTODO PARA ASSENTAR UM PNEU SEM CÂMARA EM UM ARO Várias modalidades de uma ferramenta para assentar um pneu sem câmara em um aro com o uso de gás pressurizado podem incluir combinações de um recipiente de pressão cilíndrico com um punho que se estende radialmente a partir do tanque, uma válvula de gás de abertura rápida pneumaticamente controlada, e um bocal que utiliza o efeito de Venturi. Um pneu é assentado em um aro por meio do posicionamento da ferramenta de modo que o ar do bocal é rapidamente insuflado no pneu entre o talão do pneu e o aro mediante a abertura da válvula. TOOL FOR FITTING A WITHOUT CHAMBER IN A RIM WITH THE USE OF PRESSURIZED GAS, AND METHOD FOR FITTING A TIRE WITHOUT A CHAMBER IN A RIM Various modalities of a tool for fitting a tubeless tire on a rim using pressurized gas include combinations of a cylindrical pressure vessel with a handle that extends radially from the tank, a pneumatically controlled fast-opening gas valve, and a nozzle that uses the Venturi effect. A tire is seated on a rim by positioning the tool so that the air from the nozzle is quickly blown into the tire between the tire bead and the rim by opening the valve.

Device for seating tires without a camera

Una herramienta (191) para asentar un neumático sin cámara (90) en una llanta (80) utilizando gas presurizado, donde la herramienta comprende: un recipiente a presión cilíndrico (191) portátil con una boca de entrada (160), donde dicha boca de entrada (160) es adecuada para llenar el recipiente a presión cilíndrico (191) con dicho gas presurizado; una boquilla (100) acoplada de manera neumática a una salida (124) en el extremo distal del recipiente a presión cilíndrico (191), donde dicha boquilla (100) se configura para proyectar el gas presurizado entre una llanta (80) y un talón del neumático (91); una válvula de gas (200) que se configura para controlar un flujo del gas presurizado desde la salida (124) en el extremo distal del recipiente a presión cilíndrico (191); una empuñadura de pistola (140) que se extiende radialmente desde el recipiente a presión cilíndrico (191); y un mando de descarga (155) situado en una posición a un máximo de 15 centímetros (cm) de la empuñadura de pistola (140); donde la válvula de gas (200) se configura para que se abra en repuesta al accionamiento del mando de descarga (155), lo cual permite que el gas presurizado fluya a través de la salida (124) en el extremo distal del recipiente a presión cilíndrico (191) y fuera de la boquilla (100).

Tubeless tire seating device

Double acting rapid lift auxiliary valve assembly for a hydraulic jack

A double action hydraulic jack has a primary hydraulic pump in fluidic communication with the hydraulic fluid reservoir and with the lift cylinder. The hydraulic jack has an auxiliary hydraulic pump also in fluidic communication with the hydraulic fluid reservoir and the lift cylinder. The auxiliary hydraulic pump operates at light-load conditions to drive the jack ram upwards at a rate at least three times faster than at heavy lift-load conditions with only the primary hydraulic pump in operation.

Jet Assisted Tubeless Tire Seating Device

A nozzle for seating a tubeless tire on a rim using pressurized gas includes an outlet, a jet configured to accept pressurized gas and emit a stream of gas through an orifice into a chamber. As the stream of gas enters the chamber, the Venturi effect causes air to enter the chamber through air intake ports and the stream of gas and air from the air intake ports is blown out of the outlet of the nozzle. A system for seating a tubeless tire on a rim includes the nozzle, a tank and a valve configured to control the flow of pressurized gas from the tank to the nozzle. The tire may be seated on the rim by positioning the system so that the air from the nozzle blows into the tire between the bead of the tire and the rim if the valve is opened.

Recoil reducing tire bead seater barrel

A nozzle for seating a tubeless tire on a rim using pressurized gas includes a coupling neck configured to accept the pressurized gas from a pressurized tank, a choke point adapter connected to the coupling neck and a nozzle body configured with a nozzle output. Pressurized air introduced into the coupling neck pass through the nozzle and exits the nozzle output in a burst of the pressurized gas that is directed between the tubeless tire and the rim to inflate the tire. The choke point adapter has a chokepoint surface with a chokepoint angle of sufficient angle to aid in reducing the recoil of the tubeless tire seating device.

Hydraulic Jack with High-Speed Air Lift

A hydraulic jack has an air compressor connected to an air valve with a port in the hydraulic fluid reservoir. Setting the air valve to a lift-state routes compressed air into the hydraulic fluid reservoir which in turn drives hydraulic fluid to the lift cylinder, rapidly pushing the jack ram up to the vehicle or item to be lifted.