In some embodiments, an archery bow comprises a riser comprising a grip location and a cavity. A first limb is supported by the riser and attached by a first limb fastener. A second limb is supported by the riser and attached by a second limb fastener. A bowstring extends between the limbs. A vibration damper is located in the cavity, the vibration damper comprising a resilient member and a weight. A first distance from the bowstring to the first limb fastener is less than a second distance from the bowstring to the vibration damper.
In some embodiments, a crossbow comprises a stock, a first limb assembly arranged to support a first rotatable member and a second limb assembly arranged to support a second rotatable member. The first rotatable member comprises a first cable track and a second cable track, and the second rotatable member comprises a third cable track and a fourth cable track. A bowstring extends between the first rotatable member and the second rotatable member. The bowstring defines a bowstring plane. A latch is attached to the stock and arranged to engage the bowstring. A trigger is arranged to release the latch. A first cable segment is oriented above the bowstring plane and engaged with the first cable track. A second cable segment is oriented below the bowstring plane and engaged with the second cable track. A third cable segment is oriented above the bowstring plane and engaged with the third cable track. A fourth cable segment is oriented below the bowstring plane and engaged with the fourth cable track.
A modular cam system for an archery bow or crossbow includes swappable cams that change the maximum draw weight of the archery bow or crossbow. Moreover, the modular cams can be affixed to a rotatable member in a number of orientations to set the desired draw length without changing the limbs, tightening or loosening limb bolts, or disassembling the bow. Further, the maximum draw weight of the bow remains substantially similar throughout a large portion of the draw length adjustment for a specified cam module.
In some embodiments, an archery bow comprises a riser, a first limb, a second limb and a bowstring. The riser comprises a first rail, a second rail and a plurality of connecting members extending between the first rail and the second rail. The riser comprises an accessory cavity comprising an aperture through the first rail. The aperture comprises an asymmetrical shape. In some embodiments, the aperture comprises a first aperture and the accessory cavity comprises a second aperture through the second rail. In some embodiments, the second aperture has the same shape as the first aperture.
In some embodiments, a crossbow comprises a stock, a first limb assembly arranged to support a first rotatable member and a second limb assembly arranged to support a second rotatable member. The first rotatable member comprises a first cable track and a second cable track, and the second rotatable member comprises a third cable track and a fourth cable track. A bowstring extends between the first rotatable member and the second rotatable member. The bowstring defines a bowstring plane. A latch is attached to the stock and arranged to engage the bowstring. A trigger is arranged to release the latch. A first cable segment is oriented above the bowstring plane and engaged with the first cable track. A second cable segment is oriented below the bowstring plane and engaged with the second cable track. A third cable segment is oriented above the bowstring plane and engaged with the third cable track. A fourth cable segment is oriented below the bowstring plane and engaged with the fourth cable track.
In some embodiments, a shaft testing device comprises a support comprising a non-contact bearing. The support is arranged to support a workpiece such as a shaft. A loading mechanism comprises a non-contact bearing. The loading mechanism is arranged to apply a load to the shaft. In some embodiments, the load is applied orthogonal to a longitudinal axis of the shaft. In some embodiments, a non-contact bearing comprises an air bearing.
A soundboard for a musical instrument is disclosed the soundboard having at least one layer of material. In some embodiments the material comprising carbon fiber, fibrous laminate material, resin or a plastic matrix and combinations thereof. At least one bracing structure is engaged to the at least one layer of material. The at least one bracing structure comprising at least one layer of honeycomb or shaped core and at least one sheet of material bonded to the honeycomb or shaped core.
In some embodiments, an archery bow limb assembly comprises a first limb, a second limb and a spacer. The spacer contacts the first limb and the second limb. The first limb comprises a limb material. The spacer comprises a spacer material comprising a higher elastic modulus than the limb material. A width of the spacer is less than a width of the first limb.
In some embodiments, an apparatus comprises a body arranged to engage an optical scope. The body comprises a first portion and a second portion moveable with respect to the first portion between a first position and a second position. The first portion comprises a sidewall defining an aperture having a central axis and the second portion comprises a magnet. In the first position, the second portion is arranged to cover the aperture and a radial distance from the central axis to the sidewall is greater than a radial distance from the central axis to the magnet.
In some embodiments, an arrow comprises a shaft and a notch in an end of the arrow. The notch is arranged to receive a bowstring. A first finger recess and a second finger recess are located in proximity to the notch. The first finger recess and the second finger recess comprise opposed diverging surfaces.
In some embodiments, an archery bow limb assembly comprises a first limb, a second limb and a spacer. The spacer contacts the first limb and the second limb. The first limb comprises a limb material. The spacer comprises a spacer material comprising a higher elastic modulus than the limb material. A width of the spacer is less than a width of the first limb.
In some embodiments, a limb assembly comprises a limb cup, a first limb member and a second limb member. The first limb member supports a rotatable member. The first limb member is supported by the limb cup at a first location and is supported by the second limb member at a second location. The second limb member is supported by the limb cup. The second limb member applies a supporting force to the first limb member.
In some embodiments, an archery bow comprises a riser comprising a first rail and a second rail. An accessory is supported by the riser. The accessory extends through the first rail and contacts the second rail. A fastener contacts the riser and the accessory. The fastener comprises a central axis that does not intersect the accessory.
In some embodiments, an archery bow comprises a frame, a first limb assembly supporting a first rotatable member and a second limb assembly supporting a second rotatable member. The first rotatable member comprises a cam. A bowstring extends between the first rotatable member and the second rotatable member. A power cable is in communication with the cam. The first limb assembly has a width and a length, wherein the width is at least 26% of the length. In some embodiments, the width is at least 28% of the length.
In some embodiments, an archery bow comprises a riser, a first limb and a second limb. A first rotatable member is arranged to rotate about a first axis and a second rotatable member is arranged to rotate about a second axis. A bowstring is attached to the first rotatable member and arranged to bias the first rotatable member in a first rotational direction about the first axis. A power cable is attached to the first rotatable member. A servicing string is arranged for attachment to the first rotatable member and arranged to bias the first rotatable member in a second rotational direction about the first axis.
A system for a smart bow includes an accelerometer, a gyroscope, a user interface, and processing circuitry. The accelerometer is configured to measure acceleration of the smart bow. The gyroscope is configured to measure orientation of the smart bow. The processing circuitry is configured to receive the acceleration and the orientation of the smart bow from the accelerometer and the gyroscope. The processing circuitry is configured to perform an analysis on the acceleration and the orientation of the smart bow to identify an action performed with the smart bow. The processing circuitry is configured to operate the user interface to display a result of the analysis.
In some embodiments, an archery bow riser comprises a body defining a first end, a second end and a grip portion. The body defines a shooting axis and comprises a first portion and a second portion. The first portion comprises a metal and the second portion comprises carbon fibers. The first portion extends to a first side of the shooting axis and to a second side of the shooting axis, and the second portion extends to the first side of the shooting axis and to the second side of the shooting axis.
In some embodiments, an archery bow comprises a riser, a first limb, a second limb, a bowstring and a sling mount. In some embodiments, the sling mount comprises a proximal portion, an intermediate portion and a distal portion. In some embodiments, the proximal portion is attached to the bow. In some embodiments, a width of the intermediate portion is less than a width of the distal portion.
In some embodiments, a lanyard comprises a body comprising a first end, a midportion and a second end. A first engaging member and a second engaging member are magnetically attracted to one another. The first end comprises a handle and the first engaging member. The second end is configured for attachment to a device.
In some embodiments, a bow stand comprises a first body portion comprising a first cavity. A second body portion is moveable with respect to the first body portion. The second body portion comprises a second cavity. A third body portion is moveable with respect to the first body portion and comprises a third cavity. The first cavity, the second cavity and the third cavity form an engagement cavity arranged to engage a frame of an archery bow.
In some embodiments, crossbow comprises a frame, a bow portion comprising a bowstring, a latch and a trigger. An arrow rest is supported by the frame at a first location. The frame is also arranged to support the arrow rest at a second location. A distance between the latch and the first location is different from a distance between the latch and the second location.
In some embodiments, an archery bow limb comprises a body comprising a first end and a second end. The first end is arranged to be supported by a riser. The second end is arranged to support an axle and a rotatable member. A reinforcing member extends through the body. The reinforcing member is oriented parallel to the axle.
In some embodiments, an archery bow comprises a riser, a limb member and a support member. The limb member is supported by the riser at a first location. The limb member supports an axle at a second location. The support member is supported by the riser and arranged to support the limb member. The support member contacts the limb member at a contact location. The contact location is oriented between the first location and the second location along the length of the limb member.
In some embodiments, an arrow comprises a shaft, a nock and a deflector. The shaft comprises a cavity and the nock comprises a boss. The deflector surrounds the shaft and comprises a deflecting surface oriented at an angle to a surface of the shaft. The boss is positioned within the cavity and the deflector overlaps the boss.
In some embodiments, an archery bow comprises a limb supported by a riser and an axle supported by the limb. A plurality of bearings are supported by the axle, which comprise a first dynamic bearing and a second dynamic bearing. A rotatable member is supported by the plurality of bearings. The first dynamic bearing is shaped differently from the second dynamic bearing. In some embodiments, the axle comprises a non-contacting length portion comprising less than 15% of the axle length.
In some embodiments, an arrow comprises a shaft comprising a tubular wall comprising a cavity and a nock comprising a notch arranged to engage a bowstring. An intake inlet is in fluid communication with the cavity and an exhaust outlet is in fluid communication with the cavity.
F42B 12/36 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for signalling
In some embodiments, a limb assembly comprises a limb cup, a first limb member and a second limb member. The first limb member supports a rotatable member. The first limb member is supported by the limb cup at a first location and is supported by the second limb member at a second location. The second limb member is supported by the limb cup. The second limb member applies a supporting force to the first limb member.
In some embodiments, an arrow rest comprises a first body portion arranged for attachment to an archery bow and a second body portion attached to the first body portion. The second body portion comprises an arrow support member. The second body portion is moveable with respect to the first body portion along an arcuate path.
In some embodiments, projectile comprises a first body portion comprising a tip, a second body portion comprising a nock and a tether attached to the first body portion and attached to the second body portion. In some embodiments, the projectile comprises a first configuration where the first body portion contacts the second body portion. In some embodiments, the projectile comprises a second configuration where the first body portion is spaced apart from the second body portion.
In some embodiments, an archery bow comprises a riser and a bushing attached to the riser. In some embodiments, the bushing comprises a flange and a tubular shaft. In some embodiments, the tubular shaft comprises an external helical thread and an internal helical thread. In some embodiments, the flange comprises a front portion and a rear portion, the rear portion comprising a rear surface in contact with the riser. In some embodiments, the front portion comprises a recessed portion and a contacting ring. In some embodiments, a diameter of the contacting ring is greater than a distance across the external helical thread.
In some embodiments, an archery bow comprises a riser comprising a grip, a bowstring comprising a nocking point, a cable and a cable guard arranged to apply a force to the cable at a contact location. The bow defines a shooting axis, which is positioned in a longitudinal plane and a lateral plane. The longitudinal plane is orthogonal to the lateral plane. The bowstring is positioned in the longitudinal plane. The contact location is positioned on the lateral plane.
In some embodiments, a crossbow comprises a stock, a bow portion, a latch, a trigger and a foregrip. In some embodiments, the foregrip is supported by the stock and arranged to move with respect to the stock between a first position and a second position.
In some embodiments, a limb cup comprises a body and a vibration damper. The body comprises a first limb cavity and a damper housing. The damper housing comprises an aperture. The vibration damper comprises a resilient member and a weight. The first limb cavity is arranged to receive an archery bow limb. The resilient member is oriented in the aperture and supported by the damper housing. The weight is supported by the resilient member.
In some embodiments, an archery bow comprises a frame, a first limb assembly supporting a first rotatable member and a second limb assembly supporting a second rotatable member. The first rotatable member comprises a cam. A bowstring extends between the first rotatable member and the second rotatable member. A power cable is in communication with the cam. The first limb assembly has a width and a length, wherein the width is at least 26% of the length. In some embodiments, the width is at least 28% of the length.
In some embodiments, a grip for a shooting device comprises a first body portion configured for attachment to the shooting device and a second body portion engaged with the first body portion. The second body portion is moveable with respect to the first body portion between first and second positions. A biasing member is arranged to bias the second body portion to the first position. In some embodiments, the second body portion comprises a guard defining a guard cavity and at least a portion of the first body portion is oriented in the guard cavity.
In some embodiments, an archery bow riser comprises a body defining a first end, a second end and a grip portion. The body defines a shooting axis and comprises a first portion and a second portion. The first portion comprises a metal and the second portion comprises carbon fibers. The first portion extends to a first side of the shooting axis and to a second side of the shooting axis, and the second portion extends to the first side of the shooting axis and to the second side of the shooting axis.
In some embodiments, an archery bow comprises a riser comprising a grip location and a cavity. A first limb is supported by the riser and attached by a first limb fastener. A second limb is supported by the riser and attached by a second limb fastener. A bowstring extends between the limbs. A vibration damper is located in the cavity, the vibration damper comprising a resilient member and a weight. A first distance from the bowstring to the first limb fastener is less than a second distance from the bowstring to the vibration damper.
In some embodiments, an archery bow comprises a riser, a first limb, a second limb, a bowstring and a sling mount. In some embodiments, the sling mount comprises a proximal portion, an intermediate portion and a distal portion. In some embodiments, the proximal portion is attached to the bow. In some embodiments, a width of the intermediate portion is less than a width of the distal portion.
In some embodiments, an archery bow comprises a riser, a limb assembly attached to the riser and a stabilizer. The limb assembly comprises a first limb member and a second limb member. The stabilizer is attached to the riser, and at least a portion of the stabilizer is oriented between the first limb member and the second limb member.
In some embodiments, a bow comprises a first limb supporting a first rotatable member. The first rotatable member comprises a first bowstring track and a first terminal post. A second limb supports a second rotatable member. The second rotatable member comprising a second bowstring track and a second terminal post. A bowstring comprises a first end attached to the first terminal post and a second end attached to the second terminal post. The first bowstring track and the second bowstring track are oriented in a bowstring plane, and the first terminal post is laterally offset from the bowstring plane.
In some embodiments, a shaft testing device comprises a support comprising a non-contact bearing. The support is arranged to support a workpiece such as a shaft. A loading mechanism comprises a non-contact bearing. The loading mechanism is arranged to apply a load to the shaft. In some embodiments, the load is applied orthogonal to a longitudinal axis of the shaft. In some embodiments, a non-contact bearing comprises an air bearing.
In some embodiments, an archery bow comprises a riser, limbs and a bowstring extending between the limbs. A string stop is supported by the riser. The string stop comprises a first body member, a flexion member supported by the first body member and a bumper supported by the flexion member. At least a portion of the flexion member is oriented nonparallel to a shooting axis defined by the archery bow.
In some embodiments, crossbow comprises a frame, a bow portion comprising a bowstring, a latch and a trigger. An arrow rest is supported by the frame at a first location. The frame is also arranged to support the arrow rest at a second location. A distance between the latch and the first location is different from a distance between the latch and the second location.
In some embodiments, an arrow comprises a shaft comprising a tubular wall comprising a cavity and a nock comprising a notch arranged to engage a bowstring. An intake inlet is in fluid communication with the cavity and an exhaust outlet is in fluid communication with the cavity.
F42B 12/36 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for signalling
In some embodiments, a limb assembly comprises a limb cup, a first limb member and a second limb member. The first limb member supports a rotatable member. The first limb member is supported by the limb cup at a first location and is supported by the second limb member at a second location. The second limb member is supported by the limb cup. The second limb member applies a supporting force to the first limb member.
In some embodiments, an archery bow comprises a riser, a limb member and a support member. The limb member is supported by the riser at a first location. The limb member supports an axle at a second location. The support member is supported by the riser and arranged to support the limb member. The support member contacts the limb member at a contact location. The contact location is oriented between the first location and the second location along the length of the limb member.
In some embodiments, a grip for a shooting device comprises a first body portion configured for attachment to the shooting device and a second body portion engaged with the first body portion. The second body portion is moveable with respect to the first body portion between first and second positions. A biasing member is arranged to bias the second body portion to the first position. In some embodiments, the second body portion comprises a guard defining a guard cavity and at least a portion of the first body portion is oriented in the guard cavity.
In some embodiments, a crossbow crank comprises a housing and a shaft rotatable with respect to the housing. A one-way mechanism is arranged to prevent rotation of the shaft in a first rotational direction, but allow rotation in a second direction. A release mechanism is arranged to disengage the one-way mechanism from the shaft. The release mechanism has a first position and a second position, wherein the release mechanism moves along a length of the shaft between the first position and the second position.
In some embodiments, a crossbow comprises a stock, a fire control assembly and a bow portion. In some embodiments, the bow portion comprises a prod, a first limb, a second limb, a first rotatable member and a second rotatable member. The crossbow comprises a drawn orientation wherein the first rotatable member overlaps with the stock. In some embodiments, a reference line oriented orthogonal to a shooting axis intersects the stock and the first rotatable member. In some embodiments, the reference line is parallel to a rotation axis of the first rotatable member.
In some embodiments, projectile comprises a first body portion comprising a tip, a second body portion comprising a nock and a tether attached to the first body portion and attached to the second body portion. In some embodiments, the projectile comprises a first configuration where the first body portion contacts the second body portion. In some embodiments, the projectile comprises a second configuration where the first body portion is spaced apart from the second body portion.
In some embodiments, an arrow comprises a shaft, a nock and a deflector. The shaft comprises a cavity and the nock comprises a boss. The deflector surrounds the shaft and comprises a deflecting surface oriented at an angle to a surface of the shaft. The boss is positioned within the cavity and the deflector overlaps the boss.
A fiber reinforced powder paint provides improved flexural fatigue resistance for composites substrates. Fiber loading in the powder is greater than 40%. Aramid fiber loading in an epoxy based powder paint is exemplified. A composite bow limb coated with the powder paint survives a remarkably greater number of bending cycles before failure when coated with the powder paint.
In some embodiments, an archery bow rotatable member comprises a body arranged to rotate about an axis and a string groove extending around a perimeter of the body. The string groove comprises a first depth portion and a second depth portion. The first depth portion comprises a valley and defines a first width. The second depth portion is oriented above the first depth portion. The second depth portion comprises opposed parallel sidewalls that define a second width greater than the first width.
In some embodiments, a crossbow comprises a stock, a bow portion, a latch, a trigger and a foregrip. In some embodiments, the foregrip is supported by the stock and arranged to move with respect to the stock between a first position and a second position.
In some embodiments, an archery bow comprises a riser comprising a grip location and a cavity. A first limb is supported by the riser and attached by a first limb fastener. A second limb is supported by the riser and attached by a second limb fastener. A bowstring extends between the limbs. A vibration damper is located in the cavity, the vibration damper comprising a resilient member and a weight. A first distance from the bowstring to the first limb fastener is less than a second distance from the bowstring to the vibration damper.
In some embodiments, a bow comprises a first limb supporting a first rotatable member. The first rotatable member comprises a first bowstring track and a first terminal post. A second limb supports a second rotatable member. The second rotatable member comprising a second bowstring track and a second terminal post. A bowstring comprises a first end attached to the first terminal post and a second end attached to the second terminal post. The first bowstring track and the second bowstring track are oriented in a bowstring plane, and the first terminal post is laterally offset from the bowstring plane.
In some embodiments, a grip for a shooting device comprises a first body portion configured for attachment to the shooting device and a second body portion engaged with the first body portion. The second body portion is moveable with respect to the first body portion between first and second positions. A biasing member is arranged to bias the second body portion to the first position.
In some embodiments, a limb cup comprises a body and a vibration damper. The body comprises a first limb cavity and a damper housing. The damper housing comprises an aperture. The vibration damper comprises a resilient member and a weight. The first limb cavity is arranged to receive an archery bow limb. The resilient member is oriented in the aperture and supported by the damper housing. The weight is supported by the resilient member.
In some embodiments, an archery bow riser comprises a body defining a first end, a second end and a grip portion. The body defines a shooting axis and comprises a first portion and a second portion. The first portion comprises a metal and the second portion comprises carbon fibers. The first portion extends to a first side of the shooting axis and to a second side of the shooting axis, and the second portion extends to the first side of the shooting axis and to the second side of the shooting axis.
A trigger mechanism for use in a crossbow comprises a housing having a first slot formed in a first side and a second slot formed in a second side opposite the first side. A trigger lever, a bowstring catch and a disarm mechanism are all moveably mounted in the housing. The catch has a first end configured to engage the trigger lever and a second end configured to retain the bowstring in a cocked position. The disarm mechanism is partially positioned in the second slot and is moveable between a fixed first position proximate the housing second slot toward a second disarm position toward the housing first slot. As the disarm mechanism moves from the first position into the second position, it engages the trigger lever causing it to move out of engagement with the catch first end allowing the user to release the bowstring using the bowstring cocking device from the trigger mechanism without having to engage the trigger.
A trigger mechanism for use in a crossbow having a bowstring, the trigger mechanism comprising a housing having a slot formed therein, a trigger lever pivotally mounted in the housing and having a trigger that extends partially outside the housing, a catch pivotally mounted in the housing, and a disarm mechanism received in the housing that is moveable between a neutral first position and a disarm second position. The catch has a first end configured to retain the bowstring in a cocked position and a second end configured to operatively engage the trigger lever. When the disarm mechanism is in the disarm second position and the user draws the bowstring further into the housing slot, the trigger mechanism is configured to allow the catch to move from the catch first position into the catch second position without requiring the user to engage the trigger (e.g., squeezing or pulling the trigger).
In some embodiments, an archery bow comprises a riser and a load balancing limb support assembly supported by the riser. The load balancing limb support assembly comprises a body comprising a first support portion and a second support portion. A limb assembly comprises a first limb portion and a second limb portion. The first limb portion is supported by the first support portion and the second limb portion is supported by the second support portion.
In some embodiments, a crossbow trigger mechanism comprises a housing, a trigger, a latch and a latch retaining mechanism. The housing defines a slot. The latch comprises a string catch and a trigger engaging portion. The latch is moveable with respect to the housing between first and second positions. In the first position, the trigger engaging portion contacts the trigger. In the second position, the trigger engaging portion does not contact the trigger. The latch retaining mechanism is arranged to retain the latch in the second position.
In some embodiments, an archery bow comprises a riser, a first limb and a second limb. The first limb supports a first rotatable member, which comprises a cam. The second limb supports a second rotatable member, which comprises a pulley comprising a peripheral groove. A ring comprising an elastomeric material is positioned in the peripheral groove. A power cable is arranged to be taken up on the cam as the bow is drawn. A string segment is arranged to wrap around the pulley. The string segment contacts the ring.
In some embodiments, a trigger mechanism comprises a trigger and a latch. The trigger comprises a body, a bearing and a roller. The roller is arranged to rotate with respect to the body. The body supports the bearing and the bearing supports the roller. The roller comprises a trigger sear. The latch comprises a latch sear that is arranged to contact the trigger sear.
In some embodiments, a crossbow comprises a bow portion comprising a prod and a stock attached to the prod. A bumper comprises the forwardmost surface of the crossbow. The bumper comprises first contacting surface and a second contacting surface. The first contacting surface is oriented at a non-zero angle to the second contacting surface.
In some embodiments, an archery bow comprises a riser, a limb assembly attached to the riser and a stabilizer. The limb assembly comprises a first limb member and a second limb member. The stabilizer is attached to the riser, and at least a portion of the stabilizer is oriented between the first limb member and the second limb member.
