序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
201 Modular Firearm US13444160 2012-04-11 US20120297656A1 2012-11-29 Kevin Langevin; Kevin Audibert
A firearm having a lower receiver is provided. The receiver is adapted to couple with a plurality of upper receivers having different calibers. The lower receiver comprises a receiver extension having an opening therein. A spring is disposed within the opening. A buffer member is provided having a first portion having an end. The buffer member is coupled to the spring within the opening, wherein the buffer member is movable between a first position where the end is within the opening and a second position wherein the end external to the opening.
202 Rimfire Action Platform Conversion US13532621 2012-06-25 US20120291329A1 2012-11-22 Timothy R. Ubl; Jarmo Kumpula
A rifle conversion platform assembly comprised of components to fit around an existing action such that attachment locations such as a hand guard, pistol grip, and butt stock attachment locations are provided to have conventional rifle components, which in one form may be components of a high caliber semiautomatic rifle such as an AR-15, attached thereto.
203 MAGAZINE WELL ADAPTER AND KIT US13432453 2012-03-28 US20120255209A1 2012-10-11 David Klassen
The magazine well adapter of the present invention, and associated kits and devices, improves the firing rate and accuracy of AK-type firearms by converting the traditional magazine well into a push-button drop ejection device.
204 Release assembly for crossbow US12350123 2009-01-07 US08240299B2 2012-08-14 David H. Kronengold; Allen C. Rasor; Kevin Hansen
A crossbow includes an elongated frame coupled to a riser at a first end thereof. The riser supports a pair of flexible limbs, and a bowstring extends between such limbs. A movable bowstring release is used both to retract the bowstring into a drawn position, and to release the bowstring under the operation of a trigger assembly. The bowstring release is initially positioned near the bowstring at rest, and a bowstring hook is engaged therewith. A bowstring retractor includes a retractor rope secured to the bowstring release for retracting the bowstring. An upper housing is secured to the second end of the elongated frame, and supports a rope spool used to wind the retractor rope. The bowstring release is retracted into the upper housing proximate a trigger assembly for selectively releasing the bowstring when a user pulls a trigger.
205 Modular portable weapon US12217774 2008-07-08 US08230632B2 2012-07-31 Luigi Moretti
A modular portable weapon has a supporting module, constituted by the barrel of the weapon, and modules which are mutually functionally independent and are associated with the supporting module. The modular weapon according to the invention allows the user to compose the weapon by choosing, for example, a type of barrel, stock and tubular magazine among the alternatives that are commercially available, with the characteristics best suited to his requirements.
206 Rimfire action platform conversion US12330409 2008-12-08 US08205373B1 2012-06-26 Tim Ubl; Jarmo Kumpula
A rifle conversion platform assembly comprised of components to fit around an existing action such that attachment locations such as a hand guard, pistol grip, and butt stock attachment locations are provided to have conventional rifle components, which in one form may be components of a high caliber semiautomatic rifle such as an AR-15, attached thereto.
207 LIGHTWEIGHT, LOW COST SEMI-AUTOMATIC RIFLE MAGAZINE US13400939 2012-02-21 US20120144713A1 2012-06-14 JASON R. DUBOIS
A lightweight and low cost semi-automatic rifle includes an upper receiver, a lower receiver, and a forend fabricated from injection-molded polymers. The rifle permits firing .22 LR or similar low-power ammunition from an AR-15 style frame, operates on the blowback principle, and provides a fully functional bolt catch and extractor/ejector/deflector.
208 URBAN COMBAT SYSTEM AUTOMATIC FIREARM HAVING AMMUNITION FEED CONTROLLED BY WEAPON CYCLE US12361959 2009-01-29 US20120144712A1 2012-06-14 Charles Edward Rostocil
A weapon system for urban combat incorporating an automatic gun having a short recoil, a feed system with gun driven box magazines of different capacities, a detachable link-belt feed, spring buffered barrel and bolt recoil absorbing arrangement, and simplified fire control.
209 AUTOMATIC OR SEMI-AUTOMATIC RIFLE US13291714 2011-11-08 US20120111183A1 2012-05-10 Paul Hochstrate; Laurance Robbins; Arthur F. Daigle
A rifle having a receiver with an integral hand guard and a barrel. The barrel is connected to the receiver. The hand guard extends over and surrounds the barrel. A removable hand guard is attached to the receiver by an attachment that stably holds the removable hand guard to the receiver. The attachment is arranged for allowing detachment and removal of the removable hand guard from the receiver without removal of fasteners.
210 Firearm with gas operating system US13103663 2011-05-09 US08117958B2 2012-02-21 Paul Hochstrate; Laurance Robbins; Arthur F. Daigle
A semi-automatic or automatic rifle is provided the rifle having: a receiver having a hand guard portion; a barrel having a bore, the bore removably connected to the receiver, the hand guard portion surrounding at least a portion of the barrel; a gas block having a forward end and a rearward end aligned with the barrel; a sleeve removably secured to the forward end of the gas block; a piston slidably received within the gas block, wherein the gas block and the sleeve fluidly couple the piston to the bore of the barrel; wherein an increase in pressure in the bore of the barrel causes the piston to move away from the sleeve; and wherein the sleeve and the piston are each capable of being removed from the rifle through the forward end of the gas block without removing the gas block from the rifle.
211 Weapon forend support pad US12313365 2008-11-19 US08109027B2 2012-02-07 James Victor Cragg
A weapon support pad comprising a pad comprising a fastening mechanism to attach to the forend of a weapon, such as a rifle to provide support and absorb unwanted vibrations, among other advantages. The pad may be quickly and easily attachable and detachable from the weapon. A variety of fastening mechanisms may be utilized, including the hook-and-loop.
212 Rifle having a replaceable barrel US11631662 2005-07-07 US08099896B2 2012-01-24 Henry Paasikivi; Juha Aalto
A rifle with a replaceable barrel with two or more barrels for different purposes and calibers and with own magazines for different cartridges. At least one barrel (1) has the cavity (2), into which a projection or upper edge (4) in the cartridge magazine (3) corresponding to the barrel fits, when the right magazine has been inserted into the rifle.
213 PAINTBALL MARKER WITH ABILITY TO DISCHARGE DIFFERENT SIZED PROJECTILES US13182135 2011-07-13 US20110265777A1 2011-11-03 Jack Kingsley Wood
A paintball marker for firing a projectile includes a main body. The main body includes a breech and a feed port connected and a feed tube connected thereto. The main body is originally configured for launching a projectile having a first size. The invention includes a conversion kit to enable a marker to launch projectiles that are smaller than what can be originally launched. A breech insert is positioned within the breech, a feed insert is positioned within the feed port and a replacement barrel, with a smaller diameter bore, are provided to reduce the size of the all conduits within the marker for launching a projectile having a second size that smaller than the first size. The feed insert directly engages the breech adapter to prevent the movement of the breech adapter. Also, connection of the barrel secures the breech insert in place.
214 Law enforcement carbine with one piece receiver US12857189 2010-08-16 US07938055B2 2011-05-10 Paul Hochstrate; Laurance Robbins; Arthur F. Daigle
A semi-automatic or automatic rifle is provided. The semi-automatic or automatic rifle includes a receiver having an integral hand guard portion, a barrel having a bore. The bore is removably connected to the receiver, the hand guard portion extending over and surrounding the barrel, an indirect gas operating system has a gas block and a piston. The gas block has a cylinder, the gas block is fitted to the barrel, the cylinder is in communication with the bore. The piston has a piston end and a striking end, the piston end is fitted to the cylinder and has a bolt carrier having a striking surface. When a cartridge is fired, gas displaces the piston end and causes the striking end to strike the striking surface displacing the bolt assembly, wherein, the cylinder and the piston are together removable as an assembly from the firearm without disassembly of the rifle.
215 Spare gun barrel hanging assembly US12218195 2008-07-11 US07930850B1 2011-04-26 Robert Beaman
A spare gun barrel hanging assembly preferably includes an elongated post that has a curvilinear top end, and first and second anchor platforms statically coupled to such a post, which extend orthogonally away therefrom. The assembly may further include a mechanism for removably securing the existing spare gun barrel to a bottom surface of the second anchor platform while the first anchor platform remains spaced thereabove, and a hanger pin removably inserted into the first anchor platform.
216 Weapon system US12336789 2008-12-17 US07886649B2 2011-02-15 Rolf Pettersson; Eje Lantz; Lars Ax; Kent Norgren
A modular weapon system of a preloaded recoilless gun including a barrel provided with a shell, a propellant charge and a countermass. The weapon system is configured in two parts including a first part of the barrel and a second part of the barrel. The first part of the barrel includes the shell and the second part of the barrel includes the propellant charge and countermass. A releasable locking device interconnects the second part of the barrel with the first part of the barrel.
217 LAW ENFORCEMENT CARBINE WITH ONE PIECE RECEIVER US12857189 2010-08-16 US20100300277A1 2010-12-02 Paul Hochstrate; Laurance Robbins; Arthur F. Daigle
A semi-automatic or automatic rifle is provided. The semi-automatic or automatic rifle includes a receiver having an integral hand guard portion, a barrel having a bore. The bore is removably connected to the receiver, the hand guard portion extending over and surrounding the barrel, an indirect gas operating system has a gas block and a piston. The gas block has a cylinder, the gas block is fitted to the barrel, the cylinder is in communication with the bore. The piston has a piston end and a striking end, the piston end is fitted to the cylinder and has a bolt carrier having a striking surface. When a cartridge is fired, gas displaces the piston end and causes the striking end to strike the striking surface displacing the bolt assembly, wherein, the cylinder and the piston are together removable as an assembly from the firearm without disassembly of the rifle.
218 Law enforcement carbine with one piece receiver US11672189 2007-02-07 US07775150B2 2010-08-17 Paul Hochstrate; Laurance Robbins; Arthur F. Daigle
An indirect gas operating system for an M4 type automatic or semi-automatic firearm. The indirect gas operating system has a gas block having a cylinder. The gas block is fitted to a barrel assembly having a bore with the cylinder in communication with the bore. A piston having a piston end and a striking end has the piston end fitted to the cylinder. A bolt assembly having a striking surface is provided. When a cartridge is fired, gas displaces the piston end and causes the striking end to strike the striking surface displacing the bolt assembly. The cylinder and the piston are together removable as an assembly from the firearm without removal of the gas block.
219 Modular gunstock US12028758 2008-02-08 US07762018B1 2010-07-27 Richard M. Fitzpatrick; Michael T. Mayberry; Eric S. Nakayama; Brian L. Nakayama
The present invention is a modular gunstock utilizing a two-piece mounting structure and a stock module. The structure comprises a weapon attachment, in the case of an AR15/M16 rifle a receiver extension tube, and a sleeve slidable over said attachment and containing mounting structure for the stock module. The disclosed stock module is adjustable for length and features a length pre-set system, a latch with independent dual-pawls and an integrated impact buffer, modular tailpiece, and storage. The sleeve also features a position selectable fixed cheek plate.
220 Compact Winding Mechanism for Crossbow US12350131 2009-01-07 US20100170488A1 2010-07-08 Allen C. Rasor; David H. Kronengold; Kevin Hansen
A crossbow includes an elongated frame coupled to a riser at a first end thereof and attached to an upper housing at its second end generally above the trigger region. The riser supports a pair of flexible limbs, and a bowstring extends between such limbs. A bowstring retractor is provided within the upper housing and includes a rope spool used to wind a retractor rope for retracting the bowstring. First and second spool gears surround the rope spool for rotation therewith. A spur gear mounted on a drive axle engages one of the spool gears, and a crank can be engaged with the drive axle. A pawl engages the other spool gear to prevent unintentional unwinding of the retractor rope from the rope spool. A pawl release member disengages the pawl from its associated spool gear. Drawing the bowstring beyond its full draw position also disengages the pawl.
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