Adjustable Patents (Class 42/73)
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Patent number: 9347739Abstract: An automatic adjustable buttstock system for a small arms weapon including a buttstock and a pair of parallel rails adapted to slidably mount the buttstock on a body of the weapon, each rail having a plurality of female locking slots along its length. A lock block is employed having a pivotable spring-loaded locking lever and a pair of locking tabs adapted to engage the female locking slots disposed along the length of each rail. A volute spring disposed between a rear wall of the lock block and a cavity in the buttstock is adapted to rearwardly bias the buttstock towards a fully extended position. The locking lever is adapted to be pivoted to disengage the pair of locking tabs from the female locking slots for displacement of the buttstock between a fully shortened configuration, in which the volute spring is fully compressed, to the fully extended position as urged rearwardly by the volute spring.Type: GrantFiled: September 3, 2015Date of Patent: May 24, 2016Assignee: BERETTA USA CORP.Inventors: Andrea Gomirato, Francesco Franzini
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Patent number: 9261324Abstract: A buttstock structure is used in a toy gun, for collaborating with a gun body. The gun body includes an extension member connected to the gun body. The extension member is formed with a plurality of retaining troughs. The buttstock structure includes a buttstock body and an adjusting trigger. The buttstock body includes a chamber accommodating the extension portion, a latch selectively engaged with a respective one of the retaining troughs, and a latch recess accommodating the latch. A retaining pin is inserted in the latch and protrudingly disposed on a side wall of the latch recess. An adjusting trigger is movably connected with the buttstock body. The adjusting trigger includes a handle and a linking member connected to the handle. Two inclined slots for containing the retaining pin are formed at one end of the linking member.Type: GrantFiled: July 22, 2015Date of Patent: February 16, 2016Assignee: VEGA FORCE INTERNATIONAL CORP.Inventors: Hsin-Ting Liang, Wei-Hung Chung, Shih-Che Kung
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Patent number: 9239209Abstract: An improved firearm accessory mounting interface is herein disclosed. The interface can include one or more sets of first and second fasteners that interface through an elongated slot in a firearm in order to mount a firearm accessory to a firearm. The second fastener can be shaped and sized to clear the elongated slot and can, upon clearing the elongated slot, be pivoted to an oblique orientation relative to the elongated slot so that the second fastener cannot be retracted. The first fastener can continue to be turned thus drawing the first and second fasteners toward each other and locking the accessory to the firearm.Type: GrantFiled: November 27, 2014Date of Patent: January 19, 2016Assignee: MAGPUL INDUSTRIES, CORP.Inventors: Michael T. Mayberry, William Bradley Bennett, Timothy Eric Roberts, Duane Liptak, Brian L. Nakayama
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Patent number: 9239210Abstract: An accessory mounting interface for a firearm is provided. The accessory mounting interface has a firearm accessory, a first elongated fastener, a second fastener, and an elongated slot in a firearm. The second fastener has two straight edges parallel to each other, and at least one of the two straight edges prevent the second fastener from rotating beyond a closed position once a portion of the second fastener has passed through and at least partially cleared the elongated slot.Type: GrantFiled: March 14, 2015Date of Patent: January 19, 2016Assignee: MAGPUL INDUSTRIES CORP.Inventors: Michael T. Mayberry, William Bradley Bennett, Timothy Eric Roberts, Duane Liptak, Brian L. Nakayama
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Patent number: 9127905Abstract: A receiver spur adapted to be mounted behind the trigger and the trigger guard of a firearm such as the AR-15. The spur is configured to substantially conformingly abut the surface of the receiver immediately behind the trigger guard and is secured to the receiver.Type: GrantFiled: September 19, 2013Date of Patent: September 8, 2015Inventors: William Thomas Schreckenstein, Stephen Elmer Byron
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Patent number: 9052155Abstract: A firearm includes a cocking lever, a shoulder-stock receptacle and a shoulder support having a shoulder stock configured to be joined by a connector to the shoulder-stock receptacle. A shoulder-stock adjuster is configured to adjust a position of the shoulder stock relative to the shoulder-stock receptacle along an adjustment axis. A cheek rest is mounted via a bearing on the shoulder stock so as to be movable in a direction parallel to the adjustment axis. A stop is disposed on the shoulder-stock receptacle so as to limit a movement path of the cheek rest towards a front of the firearm. At a position of the cheek rest defined by the stop of the shoulder-stock receptacle, the cocking lever does not collide with the cheek rest, even in a completely retracted state.Type: GrantFiled: July 2, 2012Date of Patent: June 9, 2015Assignee: HECKLER & KOCH GMBHInventors: Norbert Fluhr, Johannes Bantle, Wolfgang Wittendorfer, Daniel Kohler, Marc Roth
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Publication number: 20150113848Abstract: A firearm comprising a barrel, a handguard disposed around the barrel; a manually operated pump-action reload mechanism, the pump-action reload mechanism comprising a hand-held actuation arrangement and a fore-end body, the fore-end body disposed around the barrel between the handguard and the barrel, and the hand-held actuation arrangement coupled to the fore-end body to operate the pump-action reload mechanism. In addition, or alternatively, the firearm may include a bolt carrier locking mechanism and/or a butt stock that may be folded on either side of the receiver.Type: ApplicationFiled: May 21, 2014Publication date: April 30, 2015Inventors: Sergey Monveldt, Stephen P. Troy, David Hewes, James P. Demaree
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Patent number: 9015980Abstract: The present disclosure provides a gun having an off-hand grip adjustably coupled to a handguard and spaced apart from a grip with a trigger located between the grip and the off-hand grip. The off-hand grip has a first end and a second end that is distal from the first end. The off-hand grip includes a pivot located adjacent the first end such that the off-hand grip is pivotable with respect to the handguard. The off-hand grip is also pivotable between a use position where the off-hand grip longitudinally extends about transverse from the barrel, and a stowed position where the off-hand grip is longitudinally adjacent the barrel.Type: GrantFiled: February 12, 2013Date of Patent: April 28, 2015Inventor: Zachariah T. Shull
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Patent number: 9010008Abstract: An apparatus for mounting a handgrip on a forward portion of a firearm. The apparatus includes a mount having an upper portion with a clamp for removably engaging the firearm forward portion. The handgrip, e.g., a pistol handgrip, is symmetrical about a vertical plane passing through the handgrip. The distal portion of the handgrip is offset in the vertical plane from the proximal portion of the handgrip. A pivot means connects the lower portion of the mount to the proximal portion of the handgrip to permit the pivoting of the vertical plane to varying angles on either side of the central axis of the barrel. A lock means locks and unlocks the pivot means to lock the handgrip in position at a selected pivot angle. The apparatus provides the ability of a left handed or right handed shooter to adjust the handgrip to a comfortable position while using the firearm.Type: GrantFiled: June 19, 2012Date of Patent: April 21, 2015Inventor: David C. Hovey
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Patent number: 8984790Abstract: A locking adjustable cheek rest comprising an upper U-shaped portion and a lower portion located on the stock of a rifle or other firearm. The U-shaped portion is biased against the lower portion, such that the walls of the U-shaped upper portion press against the lower portion, thereby locking the upper portion in position. A first release and a second release are depressed to release the bias and enable the upper portion to be raised and lowered relative to the lower portion. Interlocking mechanisms located on the upper and lower portions facilitate locking of the cheek rest in a position determined by the user.Type: GrantFiled: January 11, 2014Date of Patent: March 24, 2015Assignee: Sig Sauer, Inc.Inventors: John Wilson, David C. Johnson
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Patent number: 8984791Abstract: The invention is directed toward a butt stock assembly for a firearm. The butt stock assembly comprises a front cap, a base, a center frame, a tube housing, a release lever, a locking pin, a rotation pin, and a spring. The center frame has a plurality of attachment holes. The attachment holes provide a means for attaching modular firearm components to the butt stock assembly. The release lever is attached to the center frame by the rotation pin. The release lever pivots about the rotation pin. The release lever engages the locking pin. The locking pin engages the spring. The center frame has a top edge, a front edge, a back edge, and a bottom edge. The front cap is removably secured to the front edge of the center frame. The base is removably secured to the back edge of the center frame.Type: GrantFiled: July 3, 2014Date of Patent: March 24, 2015Inventor: Jimi Leslie
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Patent number: 8978285Abstract: An apparatus for an anti-rattle assembly for a collapsible buttstock for a firearm may include a baseplate with a plurality of lower guides and a plurality of fasteners wherein the plurality of fasteners removably secure the anti-rattle assembly to a plurality of fastener positions of a buttstock body. The anti-rattle assembly may further include a pressure plate with one or more ridges to engage one or more rail surfaces of a receiver extension and a plurality of upper guides and a plurality of biasing members wherein the pressure plate is vertically aligned with the baseplate and the plurality of biasing members are coupled between the upper guides and the lower guides and bias the one or more ridges against the one or more rail surfaces. The anti-rattle assembly restricts the movement of the receiver extension in a tubular aperture of the buttstock body.Type: GrantFiled: August 20, 2013Date of Patent: March 17, 2015Inventors: Judd Burke, Matthew Vallo
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Patent number: 8978284Abstract: A stock for a small arms weapon which may include a proximal end surface and a distal end surface, the distal end surface including a first opening extending toward the proximal end surface. The stock further may include a multi-lobe chamber connected to the first opening. The multi-lobe chamber may include a primary lobe for housing a receiver extension. The primary lobe may include a track for supporting a bottom surface of a receiver extension. The primary lobe further may include a first side lobe adjacent to the first wall, and a second side lobe adjacent to the second wall. A first insert may be disposed in the first side lobe and a second insert may be disposed in the second side lobe for isolating movement between the stock and a receiver extension disposed in the track.Type: GrantFiled: January 13, 2014Date of Patent: March 17, 2015Inventor: Nisim Zusman
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Patent number: 8955245Abstract: An adjustable stock and cheek rest assembly for a firearm includes a buffer tube extending rearwardly from the firearm at an angle relative to the firearm receiver. A stock is slidably mounted on the buffer tube, and a cheek rest is disposed in overlying relationship to the stock. A cheek rest adjustment arrangement is connected between the stock and the cheek rest, and is provided with a movable linkage for enabling vertical movement of the cheek rest relative to the stock as the stock moves along the angled buffer tube. A movable member provided with locking structure is mounted on the stock for selective engagement with lock receiving structure on the buffer tube for locking the stock in various axial adjustment positions along the buffer tube.Type: GrantFiled: March 15, 2013Date of Patent: February 17, 2015Assignee: ATI IP, LLCInventor: John R. Chvala
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Patent number: 8955422Abstract: A modified bolt carrier for automatic recoil rifles and pistols preferably includes a shortened bolt carrier, a shortened buffer tube, a modified bolt key and an end cap. The shortened buffer tube is shortened by cutting-off a straight portion of a prior buffer tube. The modified bolt key includes a prior art bolt key, a rod yoke, a pair spring rods, a pair of compression springs, a spring support disc and a spring plug. The spring plug is biased outward from the shortened bolt carrier with the pair of compression springs. The modified bolt key is attached to the shortened bolt carrier and retained in upper and lower receivers of an automatic recoil rifle or pistol. The bolt spring is slipped over the spring plug and the bolt spring is retained by securing the end cap to the lower receiver with a lock pin.Type: GrantFiled: December 12, 2013Date of Patent: February 17, 2015Inventor: Theodore R. Schumacher
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Patent number: 8950099Abstract: A collapsible stock assembly for a firearm includes a stock body defining a buffer tube passage for slidably accommodating a firearm buffer tube therein. An adjustment slit communicates with the buffer tube passage along a forward portion thereof. A first adjustment mechanism canied by the stock body includes a buffer tube engagement element that can extend into the buffer tube passage and is selectively positionable by a first operating lever. A second operating mechanism includes a second operating lever that is operable to selectively compress the adjustment slit. Disengaging the first adjustment mechanism automatically disengages the second adjustment mechanism. Excessive force on the stock in several embodiments automatically disengages both adjustment mechanisms and minimizes damage to stock assembly and/or buffer tube.Type: GrantFiled: August 26, 2011Date of Patent: February 10, 2015Assignee: Rogers Holster Co., LLCInventors: William H. Rogers, Matthew E. McKendrick
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Patent number: 8943726Abstract: A buffer for a firearm having a sleeve member having an open end and a closed end. A set of weights having a combined predefined mass are contained within the sleeve member. A bumper secures and seals the open end of the sleeve. A spring is positioned between two of the weights within the sleeve to maintain the mass at a predetermined location when the buffer is in an at-rest position.Type: GrantFiled: September 17, 2012Date of Patent: February 3, 2015Assignee: Abrams Airborne Inc.Inventor: Eric Stephen Kincel
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Publication number: 20150013203Abstract: An under folding firearm stock assembly includes an elongated main body having a longitudinal channel and a firing mechanism opening. A stock and butt stock are positioned along the back of the main body, and a pivot assembly transitions the stock between an open and closed position. The barreled front stock assembly can separate from the back receiver stock assembly.Type: ApplicationFiled: July 9, 2013Publication date: January 15, 2015Inventor: Karen Marie Lopiccolo
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Patent number: 8915005Abstract: A folding stock assembly for a firearm includes a butt stock portion; a receiver interface portion; and a bidirectional hinge assembly configured to allow the butt stock portion to bidirectionally pivot with respect to the receiver interface portion.Type: GrantFiled: January 16, 2013Date of Patent: December 23, 2014Assignee: Sig Sauer, Inc.Inventors: David A. Grimshaw, David Samuel Thompson, Anthony John Campman
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Publication number: 20140360074Abstract: A modular firearm comprising an adjustable modular buttstock assembly. The buttstock assembly can include a frame with a central opening. A comb assembly having a cheek piece and a butt plate assembly having a recoil pad each can be mounted to the frame by an adjustment apparatus. Each adjustment apparatus can include of a guide post and/or a threaded adjustment post each received in respective bores in the frame to adjust the positions of the cheek piece and recoil pad. The adjustment apparatus also can include a locking or engagement feature that can selectively increase the friction between the frame and the guide post and/or adjustment post, to help prevent the translation of the guide post and/or adjustment post in the bore in the frame to fix the comb assembly and butt plate assembly in desired positions with respect to the frame.Type: ApplicationFiled: August 22, 2014Publication date: December 11, 2014Inventor: M. Brent Jarboe
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Publication number: 20140352190Abstract: Folding firearms have a first portion including a shoulder stock having a free end butt surface and a trigger assembly including a trigger lever, a second portion including a frame defining a bolt passage, a bolt received in the bolt passage, and a barrel connected to the frame, and the first portion and second portion being pivotally connected to each other to pivot about a pivot axis between an operating position in which the barrel extends in a first direction and the shoulder stock extends in an opposite direction, and a folded position in which the barrel and shoulder stock extend in a common direction. The pivot axis may be perpendicular to a bore axis defined by the barrel, and oriented parallel to a medial plane defined by the firearm, the medial plane being vertical during normal firearm operation.Type: ApplicationFiled: May 23, 2014Publication date: December 4, 2014Inventor: Aaron Voigt
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Publication number: 20140331539Abstract: An under-fold firearm stock assembly includes a main body having a longitudinal channel and a firing mechanism opening, a forearm stock having an elongated quick release lever opening, and a shoulder stock that is pivotally secured along the back of the main body via a pivot assembly.Type: ApplicationFiled: July 28, 2014Publication date: November 13, 2014Inventor: Adnan Malik
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Patent number: 8863427Abstract: An automatically adjustable comb for a firearm that extends a predetermined distance from an initial position, flush with the top of a stock, when the firearm moves to a predetermined angular orientation. The automatic adjustable comb may include a detector that detects when the firearm and/or comb has moved to a predetermined angular orientation with respect to a horizontal orientation. The detector may actuate an actuator to extend the comb the predetermined distance from the initial position. The extension of the comb elevates the top of the comb with respect to the top of the stock. The user may be able to vary both the predetermined angular orientation and the predetermined distance. The detection device may detect when the firearm is lowered to a horizontal orientation from an elevated angular orientation causing the actuator to lower the comb so that it is flush with the stock of the firearm.Type: GrantFiled: November 21, 2012Date of Patent: October 21, 2014Assignee: Grip Plus IncInventor: Sai Ming Chiang
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Patent number: 8857094Abstract: A grip for an elongated fire arm has an adapter, a handle, and a spring loaded screw, bolt, and nut. The adapter has a top portion and a bottom portion. The top portion receives a lower receiver of a rifle. The bottom portion has at least two locking tabs adjacent to a base of a shaft extending from the bottom portion of the adapter. The handle has a cavity disposed in an upper portion to mate with the shaft, and at least two pockets adjacent to the cavity to mate with the at least two locking tabs. The handle is rotatable about an axis of the shaft when the at least two pockets are disengaged from the at least two locking tabs.Type: GrantFiled: March 13, 2012Date of Patent: October 14, 2014Inventor: Daniel Michel
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Patent number: 8844185Abstract: A modular firearm comprising an adjustable modular buttstock assembly. The buttstock assembly can include a frame with a central opening. A comb assembly having a cheek piece and a butt plate assembly having a recoil pad each can be mounted to the frame by an adjustment apparatus. Each adjustment apparatus can include of a guide post and/or a threaded adjustment post each received in respective bores in the frame to adjust the positions of the cheek piece and recoil pad. The adjustment apparatus also can include a locking or engagement feature that can selectively increase the friction between the frame and the guide post and/or adjustment post, to help prevent the translation of the guide post and/or adjustment post in the bore in the frame to fix the comb assembly and butt plate assembly in desired positions with respect to the frame.Type: GrantFiled: August 27, 2012Date of Patent: September 30, 2014Assignee: RA Brands, L.L.C.Inventor: M. Brent Jarboe
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Publication number: 20140259848Abstract: An adjustable stock and cheek rest assembly for a firearm includes a buffer tube extending rearwardly from the firearm at an angle relative to the firearm receiver. A stock is slidably mounted on the buffer tube, and a cheek rest is disposed in overlying relationship to the stock. A cheek rest adjustment arrangement is connected between the stock and the cheek rest, and is provided with a movable linkage for enabling vertical movement of the cheek rest relative to the stock as the stock moves along the angled buffer tube. A movable member provided with locking structure is mounted on the stock for selective engagement with lock receiving structure on the buffer tube for locking the stock in various axial adjustment positions along the buffer tube.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Applicant: ADVANCED TECHNOLOGY INTERNATIONAL USA, LLCInventor: ADVANCED TECHNOLOGY INTERNATIONAL USA, LLC
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Patent number: 8833354Abstract: Bushing for the chamber of a sporting pistol or rifle and the procedure for its manufacture. It comprises a tubular configuration, with a connection passage with its entrance orifice (2) and exit orifice (4) characterized in that said connection passage (8) is calibrated to a predetermined value in function of the output power of the sporting pistol or rifle.Type: GrantFiled: May 30, 2011Date of Patent: September 16, 2014Assignee: Gamo Outdoor, SLInventors: Victor Tresserras Torre, Julian Arnedo Vera
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Publication number: 20140245649Abstract: A firearm includes a cocking lever, a shoulder-stock receptacle and a shoulder support having a shoulder stock configured to be joined by a connector to the shoulder-stock receptacle. A shoulder-stock adjuster is configured to adjust a position of the shoulder stock relative to the shoulder-stock receptacle along an adjustment axis. A cheek rest is mounted via a bearing on the shoulder stock so as to be movable in a direction parallel to the adjustment axis. A stop is disposed on the shoulder-stock receptacle so as to limit a movement path of the cheek rest towards a front of the firearm. At a position of the cheek rest defined by the stop of the shoulder-stock receptacle, the cocking lever does not collide with the cheek rest, even in a completely retracted state.Type: ApplicationFiled: July 2, 2012Publication date: September 4, 2014Applicant: HECKLER & KOCH GMBHInventors: Norbert Fluhr, Johannes Bantle, Wolfgang Wittendorfer, Daniel Kohler, Marc Roth
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Patent number: 8819981Abstract: An under-fold firearm stock assembly includes an elongated main body having a longitudinal channel and a firing mechanism opening. A stock and butt stock are positioned along the back of the main body, and a pivot assembly transitions the stock between an open and closed position.Type: GrantFiled: January 11, 2013Date of Patent: September 2, 2014Inventors: Adnan Malik, Todd Massey
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Patent number: 8800189Abstract: The present invention is a buffer tube assembly 2 upon which stock modules may be mounted as part of a modular stock system. The best mode buffer tube features a uniform cheek plate 10 with a track 9 disposed underneath the cheek plate 10 on either side. Rail track 8 is disposed on the underside of buffer tube module 2 and is divided in half by a longitudinal groove. Interface detents 5 are provided on the sides of buffer tube module 2. Both rail track 8 and detents 5 are provided for interface with adjustable length stock modules. Individual half-rails of the rail track 8 may be angled to improve interface performance with adjustable for length stock modules. A clip hole 13 is provided as a securement means with fixed length stock modules. The invention may also be practiced as a mounting assembly for those firearms (usually air projection type) that do not require a buffer area.Type: GrantFiled: December 27, 2004Date of Patent: August 12, 2014Assignee: Magpul Industries CorpInventors: Richard M. Fitzpatrick, Stephen C. Hines
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Patent number: 8800190Abstract: A reciprocating sensory sighting system with a movable cheek weld member is translationally received by a firearm frame which defines a firing chamber and a passageway from an ammunition supply to the chamber. The cheek weld member includes a body, and a frame engagement portion extending therefrom. The frame engagement portion translationally couples to the frame, reciprocating between charging and firing positions to move an ammunition round from the supply, through the passageway, and to the firing chamber. The body has an exterior surface defining a cheek seat for shooter engagement when in the firing position, and an optional rear sight. A reciprocating sensory system, with or without the reciprocating sighting system, is provided with a sensory assisting element supported by the body. A firearm having such a reciprocating cheek weld member and/or a reciprocating sensory system, are also provided, along with a retrofit charging handle system for a firearm.Type: GrantFiled: March 26, 2012Date of Patent: August 12, 2014Inventor: Fred Nelson Wayne Wilde
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Patent number: 8782941Abstract: A stock for a small arms weapon that includes a first member that includes a distal end which has a receiver extension connection structure, a proximal end, a first longitudinal axis extending between the proximal end and the distal end, and a first cross-sectional profile perpendicular to the first longitudinal axis which defines a maximum outer dimension of the stock. The stock further includes a second member connected to the first member which includes a third end adjacent to the proximal end, a fourth end spaced from the distal end, and a second longitudinal axis extending between the third end and the fourth end such that the first longitudinal axis and the second longitudinal axis are disposed at an acute angle. The stock further includes a chamber inside the second member that is sized and configured to house a power supply for a small arms accessory.Type: GrantFiled: June 30, 2011Date of Patent: July 22, 2014Inventor: Nisim Zusman
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Publication number: 20140196345Abstract: A folding stock assembly for a firearm includes: a butt stock portion; a receiver interface portion; and a hinge assembly configured to allow the butt stock portion to pivot with respect to the receiver interface portion. The butt stock portion includes a bolt retention receptacle configured to releasably receive a bolt handle of a bolt assembly when the butt stock is positioned in a first folded position.Type: ApplicationFiled: January 16, 2013Publication date: July 17, 2014Applicant: Sig Sauer, Inc.Inventors: DAVID A. GRIMSHAW, David Samuel Thompson, Anthony John Campman
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Publication number: 20140196346Abstract: A folding stock assembly for a firearm includes a butt stock portion; a receiver interface portion; and a bidirectional hinge assembly configured to allow the butt stock portion to bidirectionally pivot with respect to the receiver interface portion.Type: ApplicationFiled: January 16, 2013Publication date: July 17, 2014Applicant: Sig Sauer, Inc.Inventors: DAVID A. GRIMSHAW, David Samuel Thompson, Anthony John Campman
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Publication number: 20140196344Abstract: An under-fold firearm stock assembly includes an elongated main body having a longitudinal channel and a firing mechanism opening. A stock and butt stock are positioned along the back of the main body, and a pivot assembly transitions the stock between an open and closed position.Type: ApplicationFiled: January 11, 2013Publication date: July 17, 2014Inventors: ADNAN MALIK, Todd Massey
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Patent number: 8776423Abstract: An adjustment mechanism selectively attachable to a rifle. The adjustment mechanism includes a riser body configured to be operably connected to a butt end of the rifle and a butt plate rotatably connected to the riser body. The butt plate is configured to be selectively rotated between at least a first position and a second position relative to the riser body. In some instances the butt plate attaches to a butt pad of the rifle and as the butt plate rotates between the first position and the second position, the butt pad rotates correspondingly. The adjustment mechanism also includes a cheek piece rotatably supported above the riser body and selectively rotatable relative to the riser body between a support position and a release position and in the support position the cheek piece extends along a top surface of the rifle and in the release position the extends along a side of the rifle.Type: GrantFiled: October 22, 2012Date of Patent: July 15, 2014Assignee: Battleline Industries, Inc.Inventor: Joshua Paquette
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Patent number: 8769853Abstract: A detachable handguard for firearms having a receiver defining a handguard mounting flange. Clamp members have hook-like ends that engage the handguard mounting flange and are attached to clamp actuating levers that are pivotally mounted to the handguard. The clamp members are positioned in clamping engagement with the mounting flange and are pivoted to clamping positions to force the handguard into tight assembly with the receiver and to move the connection of the clamp members with the actuating levers over-center, thus causing the clamp actuating levers to remain at their clamping positions. Lock members secure the clamp actuating levers at their clamping positions.Type: GrantFiled: May 8, 2013Date of Patent: July 8, 2014Inventor: Mark C. LaRue
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Patent number: 8769855Abstract: The present folding stock adapter can be used with many types of military-type assault rifles that typically comprise a receiver extension, buffer and action spring. The present folding stock adapter can be used to add a folding capability to a standard stock allowing it to fold against a rifle's receiver when the weapon is not in use, thus reducing the overall length of the weapon. This reduction in length can facilitate its maneuverability, storage and transport in cramped quarters. The present device can also allow for the quick unfolding of the stock in order to allow the weapon to function and be fired normally.Type: GrantFiled: April 23, 2012Date of Patent: July 8, 2014Inventor: Zachary Law
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Patent number: 8763296Abstract: An adjustable cheek rest assembly for a firearm includes a stock adapted to be mounted on a support member of the firearm, and a cheek rest disposed in overlying relationship to the stock. A cheek rest adjustment arrangement is connected between the stock and the cheek rest and includes a movable linkage for enabling adjustment of the cheek rest relative to the stock.Type: GrantFiled: March 15, 2013Date of Patent: July 1, 2014Assignee: ATI IP, LLCInventor: John R. Chvala
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Patent number: 8756849Abstract: An extendable butt stock includes a housing having a forward end, an open rearward end, an opening at the forward end and a buffer tube of a firearm received therethrough. A hinge plate pivotally attaches a butt plate to the rearward end of the housing, movable between an open position and a closed position. A spine reinforcing member having a rearward end and a forward end extends from the rearward end of the housing to proximate the forward end of the housing and cradles the buffer tube. The butt plate contacts the rearward end of the spine reinforcing member when the butt plate is in the closed position. An engagement mechanism is carried by the housing and releasably attaches the buffer tube to the spine reinforcing member.Type: GrantFiled: January 17, 2011Date of Patent: June 24, 2014Assignee: Troy Industries, Inc.Inventor: Stephen P. Troy
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Patent number: 8752323Abstract: An adjustable pistol grip for improving the accuracy of detachable pistol grip firearms, including rifles, improves the ergonomics for the trigger and pistol grip. The pistol grip is user-adjustable and useable for a larger range of hand sizes. The improvement to provide adjustability allows for proper hand and finger positioning providing improved trigger control to the user.Type: GrantFiled: June 20, 2013Date of Patent: June 17, 2014Assignee: Gunutz LLCInventors: Dorian Fulton, Michael Jones
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Publication number: 20140144060Abstract: The present invention provides a sporterized firearms stock ensemble configured to be coupled to a long firearm having a pistol grip interface. The firearm stock ensemble includes a cheek-rest and a gunstock assembly. The cheek-rest is configured to be coupled to a recoil buffer tube of the long firearm. The gunstock assembly includes an inline grip portion, a butt-plate and an elongated support section configured to couple the grip portion to the butt-plate.Type: ApplicationFiled: November 27, 2013Publication date: May 29, 2014Inventor: Alan T. Thordsen
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Publication number: 20140137456Abstract: An automatically adjustable comb for a firearm that extends a predetermined distance from an initial position, flush with the top of a stock, when the firearm moves to a predetermined angular orientation. The automatic adjustable comb may include a detector that detects when the firearm and/or comb has moved to a predetermined angular orientation with respect to a horizontal orientation. The detector may actuate an actuator to extend the comb the predetermined distance from the initial position. The extension of the comb elevates the top of the comb with respect to the top of the stock. The user may be able to vary both the predetermined angular orientation and the predetermined distance. The detection device may detect when the firearm is lowered to a horizontal orientation from an elevated angular orientation causing the actuator to lower the comb so that it is flush with the stock of the firearm.Type: ApplicationFiled: November 21, 2012Publication date: May 22, 2014Applicant: GRIP PLUS INCInventor: Sai Ming CHIANG
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Patent number: 8720099Abstract: A multi-axis adjustable buttstock is taught that incorporates a buttstock, having, a grip neck, and a butt along with an interfaced set of two serrated grip retainers attached onto the buttstock grip neck, for buttstock tilt adjustment. A plurality of selectable flat and tapered grip spacers engage the grip serrated retainers for trigger grip length, cast and drop adjustment of the buttstock. A flanged stock bolt is disposed through a portion of the buttstock retaining the spacers and grip retainers while being embraced tightly by a first lock ring. A threaded rod is inserted into the buttstock a desired distance for length of pull adjustment and a second threaded lock ring is positioned on the threaded rod for securement. A recoil pad adapter plate, having a plurality of concentric holes, is attached to the threaded rod, for recoil pad slant adjustment, and a recoil pad is attached to the adapter plate aligned with selected recoil pad holes for recoil pad height and angle adjustments.Type: GrantFiled: May 7, 2013Date of Patent: May 13, 2014Inventor: Charles H. Sisk
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Patent number: 8713833Abstract: Disclosed is a bolt assembly that may include several lands that extend along the forward end of the bolt assembly that occupy only about 1 percent to about 12 percent of the surface area of the forward end. Also disclosed is a bolt carrier that defines a cam path that includes an increased unlock dwell time of approximately twice the unlock dwell time provided by a cam path shaped like a standard M-16 cam path. Also disclosed is a bolt carrier that includes a protrusion at a forward end of the bolt carrier with a bore that extends through the protrusion and the bolt carrier at a substantially constant bore diameter, where the protrusion is sized to be received in the barrel extension extends approximately one hundred thousandths of an inch from the end of the bolt carrier.Type: GrantFiled: October 14, 2013Date of Patent: May 6, 2014Inventor: Karl R. Lewis
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Publication number: 20140109453Abstract: An adjustment mechanism selectively attachable to a rifle. The adjustment mechanism includes a riser body configured to be operably connected to a butt end of the rifle and a butt plate rotatably connected to the riser body. The butt plate is configured to be selectively rotated between at least a first position and a second position relative to the riser body. In some instances the butt plate attaches to a butt pad of the rifle and as the butt plate rotates between the first position and the second position, the butt pad rotates correspondingly. The adjustment mechanism also includes a cheek piece rotatably supported above the riser body and selectively rotatable relative to the riser body between a support position and a release position and in the support position the cheek piece extends along a top surface of the rifle and in the release position the extends along a side of the rifle.Type: ApplicationFiled: October 22, 2012Publication date: April 24, 2014Inventor: Joshua Paquette
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Publication number: 20140075816Abstract: A firearm having a gas piston system includes a bolt carrier, an adjustable gas piston block located forward on the firearm and an over-the-barrel spring and guide rod arrangement, all of which is housed and contained in a top rail that runs the length of the firearm and that maintains the alignment of these firearm components. The firearm also includes an ambidextrous, non-reciprocating charging handle located forward on the firearm and positioned within the top rail for charging the firearm.Type: ApplicationFiled: June 19, 2013Publication date: March 20, 2014Applicant: Rock River Arms, Inc.Inventors: Mark Larson, Lester Larson, JR.
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Publication number: 20140075815Abstract: A modular firearm comprising an adjustable modular buttstock assembly. The buttstock assembly can include a frame with a central opening. A comb assembly having a cheek piece and a butt plate assembly having a recoil pad each can be mounted to the frame by an adjustment apparatus. Each adjustment apparatus can include of a guide post and/or a threaded adjustment post each received in respective bores in the frame to adjust the positions of the cheek piece and recoil pad. The adjustment apparatus also can include a locking or engagement feature that can selectively increase the friction between the frame and the guide post and/or adjustment post, to help prevent the translation of the guide post and/or adjustment post in the bore in the frame to fix the comb assembly and butt plate assembly in desired positions with respect to the frame.Type: ApplicationFiled: August 27, 2012Publication date: March 20, 2014Inventor: M. Brent Jarboe
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Patent number: 8671608Abstract: A stock assembly for attachment to a firearm assembly is described. The stock assembly includes a buttstock having a longitudinal conduit and a locking member; a connector tube with front and back ends slidable within the buttstock conduit between a fully inserted position and a fully extended position, the tube having a longitudinal conduit; an attachment member slidable within the tube conduit between a forward position and a rearward position, the attachment member having a front end attachable to the firearm assembly and a rear end; a spring within the connector tube engaging the rear end of the attachment member, the spring urging the attachment member toward its forward position; and locking means preventing rotation of the attachment member relative to the connector tube, while allowing the attachment member to move within the tube between its forward and rearward positions.Type: GrantFiled: November 3, 2011Date of Patent: March 18, 2014Inventor: Zeljko Vesligaj
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Publication number: 20140068987Abstract: A hand guard attachment system for releasably attaching a hand guard to a firearm is disclosed herein. The system includes the hand guard having a proximal end configured to engage a forward end of a receiver of the firearm. The system further includes a tensioning assembly configured to interface between the hand guard and the forward end of the firearm. The tensioning assembly is further configured to selectively maintain an engaged position between the hand guard and the firearm such that the hand guard is releasably attached to the firearm without interfering with, or requiring removal of, the barrel and/or barrel nut connected to the receiver.Type: ApplicationFiled: March 13, 2013Publication date: March 13, 2014Applicant: RA BRANDS, L.L.C.Inventor: Eric C. Burt