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| Number | Title | Issue Date |
| 7107715 | Bolt assembly with locking system A locking system for firearms including a locking ring rotatably mounted to a bolt. As the bolt is moved through a bolt slide, the locking ring engages a cam member, which causes the locking ring to rotate about the bolt, which can remain fixed against rotation.... | 09/19/2006 |
| 6971202 | Gas operated action for auto-loading firearms A gas operated action for auto-loading guns may comprise a receiver, a biasing spring, a bolt-carrier reciprocable within the receiver, a bolt having a cam pin, and an action rod fixedly attached to the receiver. The cam pin may engage the action rod during recoil t... | 12/06/2005 |
| 6393961 | Straight-pull breechblock with rotating boss locking mechanism for repeating weapons Straight-pull breechblock (20) with rotating-boss locking mechanism for repeating weapons, having a breechblock head (27) which is guided in a longitudinally and rotationally movable manner in a breechblock housing (22) and has locking bosses (42, 43), an... | 05/28/2002 |
| 4920855 | Bolt assembly for self-loading gun A bolt assembly (1) for a self loading rifle comprises a rotating bolt (2) mounted in a bolt carrier (3), the bolt being provided with locking teeth (6) which, in use, interengage with teeth (7) on the barrel extension (8) of the weapon. The angular posit... | 05/01/1990 |
| 4867040 | Self-unlocking device for recoiling bolt carrier and barrel in a semi-automatic rifle A semi-automatic rifle including a recoiling barrel adapted to carry rearward the elongated bolt carrier containing the bolt for compressing the recoil spring, and a self-unlocking device including a self-unlocking rod longitudinally slidably mounted on t... | 09/19/1989 |
| 4604942 | Bolt assembly with a rotating locking bolt head and a floating bolt element for automatic firearms A bolt assembly for an automatic firearm which operates using kinetic recoil energy that includes a floating bolt element, a rotatable locking bolt head and a return spring interposed between them, all in communication with the barrel. The bolt head is fo... | 08/12/1986 |
| 4562659 | Automatic firearm An improved automatic firearm. The firearm comprises a body assembly including a body member, a barrel mounted in said body member, a trigger assembly mounted to said body member proximate to the front end of the barrel, and a magazine guide in the body m... | 01/07/1986 |
| 4329907 | Gun bolt for high rate of fire revolving battery guns A feature of this invention is the provision of a gun bolt for a Gatling type gun having a carriage with a head journaled therein and a firing pin journaled in said head together with a cocking pin disposed in a slot passing through the firing pin, the he... | 05/18/1982 |
| 4301710 | Control for gun bolts in a high rate of fire revolving battery gun A feature of this invention is the provision of a Gatling type gun having the minimum, yet adequate, longitudinal clearance between the locking lugs of the rotor and the locking lugs of the gun bolts, by having the helical main cam track of the gun which ... | 11/24/1981 |
| 4072082 | Recoil converter A gun is provided having an operating mechanism and an energy storage system which receives and stores energy from the gun housing during the recoil of the gun and which subsequently transfers said stored energy to said operating mechanism during each gun... | 02/07/1978 |
| 4011790 | Recoil converter for self powered gun A gun is provided having an operating mechanism which receives and stores energy from the gun housing during the recoil of the gun and which subsequently utilizes the stored energy in two distinct phases during the counter-recoil of the gun.... | 03/15/1977 |
