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| Number | Title | Issue Date |
| 7040213 | Firearm receiver system with belt-feed capability A firearm receiver system including a receiver body, an ammunition belt feeding assembly and a bolt carrier. The receiver body includes a first face and a second face approximately opposite the first face. The receiver body is configured for having means for trigger... | 05/09/2006 |
| 6779430 | Sponson tow plate-mounted helicopter armament apparatus and associated methods External armament apparatus, including a machine gun, an associated ammunition box for supplying belted ammunition to the gun, a flare dispenser, a missile launcher or other external stores apparatus, and a forward looking infrared sensor (FLIR), is exteriorly suppo... | 08/24/2004 |
| 6715396 | Firearm conversion kit A cartridge feed tray for belt ammunition is modified to receive shorter ammunition and exclude ammunition of standard length by inclusion of an insert positioned along the forward containment wall of the tray. The insert carries a feed lip that fits through a loadi... | 04/06/2004 |
| 6405629 | Ammunition magazine for beltless fed ammunition An ammunition magazine for beltless fed ammunition is disclosed. The magazine includes at least one endlessly guided ammunition guide chain to transport ammunition, and a chain tightener to tighten the ammunition guide chain with a predetermined chain ten... | 06/18/2002 |
| 6389948 | Ammunition feed device for beltless fed ammunition An ammunition feed device is disclosed for feeding beltless fed ammunition to a self-loading weapon. The disclosed device includes an endlessly guided ammunition feed chain to feed ammunition into the weapon. It also includes at least two deflection units... | 05/21/2002 |
| 6202534 | Variable speed common axis control sprockets used in a shell casing unloading device A handling system for brass shell casings in an ammunition handling system. A shaft has a first sprocket and first hub and a non-circular gear mounted thereto, and because of the non-circular gear, rotates at a variable speed when driven by a power source... | 03/20/2001 |
| 6029557 | Apparatus for feeding belted ammunition A physically economic apparatus which is insensitive to defects for feeding belted ammunition by means of starwheels is driven by a spring energy store which comprises a helical spring and a closed chain loop. The chain loop is formed by four sprocket whe... | 02/29/2000 |
| 5535661 | Mechanically controlled torque transmission mechanism and weapon including such a mechanism A mechanism for transmitting torque between a drive shaft and an output shaft including a mechanical control element which causes an angular phase offset between the shafts. The mechanism includes a coupling element joining the shafts together. The coupli... | 07/16/1996 |
| 5383389 | Ammunition indexing mechanism An ammunition indexing mechanism for moving, responsive to actuation of a trigger mechanism, a cartridge from a selected one of a pair of opposed feedports in a weapon receiver and into alignment with a firing chamber of a barrel assembly of the weapon, h... | 01/24/1995 |
| 5144097 | Carrier clip apparatus for linear linkless ammunition systems Carrier clip apparatus for use in linear linkless ammunition systems, including a cradle attached to a chain along with a plurality of legs, protruding from one side of the cradles, for guiding an ammunition round as the chain is moved in the linear linkl... | 09/01/1992 |
| 5115714 | Apparatus for infeeding cartridges When using a multi-barrel firing weapon, such as a Gatling-type gun or canon, it is desired during a firing burst, to first fire the initial or lead cartridge or ammunition round when the rotating array of weapon barrels, during running up to speed, has a... | 05/26/1992 |
| 5111732 | Automatic weapon with small barrel for rapid firing A medium caliber automatic firearm with a high firing rate including a star drum which revolves in indexed fashion and which is in line with and driven by a cylinder star wheel, whose rotation is synchronized with that of the star drum, is mounted to the ... | 05/12/1992 |
| 5058483 | Cartridge feed mechanism for an automatic firearm A cartridge feed mechanism of an automatic firearm is mounted pivotably on a drive housing. In the pivoted-up position, a coupling tongue 15 of the transmission shaft 9 of the cartridge feed mechanism engages with a coupling groove of a drive sleeve of th... | 10/22/1991 |
| 4955280 | Ammunition transfer apparatus A universal gun mount and ammunition feed system wherein an M242 chain gun is disposed with its dual feed chutes vertically oriented and fed with a symmetrical dual feed arrangement wherein linked rounds are rotated 180 degrees and wherein flex chuting is... | 09/11/1990 |
| 4932307 | Beltfeeder for an automatic gas pressure loaded weapon in particular a machine cannon An ammunition belt feeding device for a machine cannon is driven by branched off gas via a gas piston cartridges are alternatively fed by two transport wheels from two sides into a loading chamber of the machine cannon. Two feed star sprocket wheels are o... | 06/12/1990 |
| 4885975 | Deflector sprocket for a cartridge feed device in an automatic multi-barrel firing weapon Cartridges are usually fed axially to a rotating array of barrels of a multi-barrel cannon or firing weapon, by means of a cartridge feeding apparatus, for example, an endless conveyor belt or chain. The cartridges must then be accelerated to the peripher... | 12/12/1989 |
| 4860632 | Apparatus for radially securing a cartridge inserted by a breechblock into the weapon barrel of a firing weapon When a cartridge is inserted into the weapon barrel of a firing weapon by a forwardly and rearwardly reciprocatable breechblock, a front end surface of the breechblock impacts against the base of the cartridge. The cartridge to be inserted must be secured... | 08/29/1989 |
| 4854216 | Ammunition handling apparatus To provide positive, uninterrupted control and guidance of ammunition rounds being transferred through a transfer zone to and from an ammunition conveyor in an ammunition handling system, a set of commonly mounted, rotary control members are provided with... | 08/08/1989 |
| 4841837 | Cradle or bucket chain for infeeding cartridges to an automatic firing weapon A cradle or bucket chain of an ammunition conveyor system serves to deliver cartridges from an ammunition magazine through a cartridge infeed channel to an automatic firing weapon. The cradle chain is able to easily move through a markedly curved cartridg... | 06/27/1989 |
| 4781100 | Linkless ammunition gun transfer unit A Linkless-Ammunition Gun Transfer Unit is provided for the conversion of a linked-ammunition firing gun to a linkless-ammunition firing gun, which includes a drive train for engaging ammunition feed sprockets disposed in the existing ammunition feeder an... | 11/01/1988 |
| 4735126 | Cartridge feed for double-barrel gun A cartridge feeder for a gun having two alternately fired barrels has respective adjacent loading positions. The feeder comprises a guide defining a path having an upstream end and a downstream end, the latter being at one of the positions and the other p... | 04/05/1988 |
| 4708049 | Automatic fire arm with external motor The invention is directed to an automatic firearm apparatus of the type including a feed system and a rotatable drum driven in rotation by an outer motor, wherein the drum includes a closed contour breech drive ramp. The apparatus includes two follower me... | 11/24/1987 |
| 4700608 | Machine gun This invention provides the provision of a machine gun having a pair of gun barrels fixed to the receiver with a pair of operating mechanism driven by a rocking lever and each operating mechanism including a reciprocating slider which drives a reciprocati... | 10/20/1987 |
| 4674392 | Cartridge feed mechanism A cartridge feed mechanism for automatic firearms comprising an endless chain for feeding cartridges of different ammunition types which chain can be selectively driven in both directions is characterized in that a feeder device is provided which is or ca... | 06/23/1987 |
| 4665793 | Weapon with next round select feed system An improvement is made in an externally driven gun having an ammunition feeder capable of providing at least two types of ammunition to the gun by incorporating a gear transmission into the driving mechanism coupled to the ammunition feeder to appropriate... | 05/19/1987 |
| 4658701 | Side stripping mechanism for linked ammunition The side stripping of ammunition from linked ammunition belts in an automatic weapon system is improved by providing a stripping mechanism including a link sprocket for engaging the link belt and rounds and including a synchronously rotating follower guid... | 04/21/1987 |
| 4612843 | Dual ammunition feed for automatic weapons A dual ammunition feed for automatic weapons includes a positioning device for the ammunition wherein a central positioning sprocket unit interacts with two feed sprocket units in two separate feed casings to allow for loading with two different types of ... | 09/23/1986 |
| 4587879 | Weapon cartridge feeder apparatus and method In a weapon system including a gun barrel and a bolt carrier, a cartridge eder system comprises sprockets for stripping cartridges individually from a cartridge belt, and moving the cartridges in an upward direction against guide ramps for positioning the... | 05/13/1986 |
| 4563936 | Weapon with next round select feed system An improvement is made in an externally driven gun having an ammunition feeder capable of providing at least two types of ammunition to the gun by incorporating a gear transmission into the driving mechanism coupled to the ammunition feeder to appropriate... | 01/14/1986 |
| 4506588 | Ammunition handling system and method An ammunition handling system includes a plurality of generally flat ammunition holding strips, each having clips thereon for holding a plurality of ammunition rounds and coupling apparatus disposed on each end thereof for releasably coupling the ammuniti... | 03/26/1985 |
| 4505181 | Stepwise double-cartridge-alternate feeder for an automatic weapon having a straight breech operation A double-cartridge feeder has left and right sprocket wheel transport shafts. Each transport shaft is provided with a star wheel coaxially mounted thereon. A reciprocally movable switching fork is arranged on a first alternate drive. A second alternate dr... | 03/19/1985 |
| 4481858 | Single barrel externally powered gun A single barrel externally powered gun includes a feed mechanism, a bolt assembly, a bolt control assembly and a power transmission system. The bolt control assembly is in the form of a chain drive unit driven continuously along a predetermined path of tr... | 11/13/1984 |
| 4434699 | Ammunition feeder A feature of this invention is the provision of sprocket which feeds rounds into the gun via an intermediate sprocket and which receives cases from the gun via another intermediate sprocket, and which may be intercoupled with either of two endless conveyo... | 03/06/1984 |
| 4421008 | Timed round stop for a sprocket fed weapon A timed round stop for a sprocket fed weapon is disclosed. The round stop pivotable into and out of the ammunition feed path responsive to a control mechanism, for preventing a round being fed to the stripper bolt of the weapon before the stripper bolt i... | 12/20/1983 |
| 4418607 | Single barrel externally powdered gun A single barrel externally powered gun includes a feed mechanism, a bolt assembly, a bolt control assembly and a power transmission system. The bolt control assembly is in the form of a chain drive unit driven continuously along a predetermined path of tr... | 12/06/1983 |
| 4397216 | Feeder mechanism A feature of this invention is the provision of side stripping stripper which has a sprocket mechanism disposed on the closed side to positively drive both the rounds of ammunition and the respective links during the stripping operation. Another feature o... | 08/09/1983 |
| 4373422 | Reciprocating feed system A two-barreled machine gun has two fixed firing chambers, a conveyor, and a feed system mounted within a housing. The feed system transfers ammunition from the conveyor to the firing chamber. The feed system includes a sprocket barrel pivotably mounted ab... | 02/15/1983 |
| 4342253 | Sprocket arrangement in a high rate of fire revolving battery gun A feature of this invention is the provision of a Gatling type gun having a reduced diameter main cam provided by a rear dwell increment of angular rotation of the rotor which in turn is provided by a feed system wherein the bolt comes forward out of rear... | 08/03/1982 |
| 4328737 | Ammunition feeder for a gun An ammunition feeder for a gun is disclosed which has a first rotating sprocket driven positively at a uniform velocity for stripping rounds and a second rotating sprocket driven positively at a non-uniform velocity for transversely placing each round dir... | 05/11/1982 |
| 4311082 | General purpose automatic weapon system There is disclosed a gas operated, fully automatic weapon system with a d feed mechanism having a long recoil, soft cycle operation. The automatic weapon system consists of six groups or sub-assemblies. These are the backplate (rear end cap/fire control ... | 01/19/1982 |
