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| Number | Title | Issue Date |
| 7721639 | Methods and apparatus for use in a locked machine gun Methods and apparatus are disclosed for a locked machine gun that includes a casing, a barrel, a locking breech mechanism, an abutment and a quick change attachment. The locking breech mechanism has at least one locking body. The abutment holds the locking body or l... | 05/25/2010 |
| 7313996 | Handheld firearm A handheld firearm which is in the form of a self-loading pistol with a bolt lock, having two operating levers which can pivot and each have a handle for operation of the bolt lock, with the operating levers being arranged on mutually opposite sides of the handheld ... | 01/01/2008 |
| 7299737 | Method and apparatus for an action system for a firearm A method and apparatus providing an action system for a firearm. The action system includes a primary roller-lock mechanism located rearward of an ejection port. The primary roller-lock mechanism includes a bolt and a first primary roller caged within the bolt. A bo... | 11/27/2007 |
| 6622609 | Breech mechanism with non-rotating breechblock Disclosed is a breech mechanism with a non-rotating breechblock that is suitable for use with repeating firearms. The present invention is composed of relatively few moving parts, and each of the parts is itself simple, yet together they become an elegant... | 09/23/2003 |
| 6109160 | Breechblock for automatic or semi-automatic weapons Breechblock for automatic or semi-automatic weapons provided with fixed barrel and burst-box integral with to the barrel, wherein the breechblock is provided with adjustable elastic means capable of opposing the initial displacement of the breechblock in ... | 08/29/2000 |
| 5808230 | Breechlock for automatic or semi-automatic weapons Breechblock for automatic or semiautomatic weapons provided with fixed barrel and burstbox integral with the barrel, wherein the breechblock is provided with adjustable elastic means capable of opposing to the initial displacement of the breechblock in re... | 09/15/1998 |
| 5614691 | Striking mechanism for semi-automatic operation of rifles and the like A striking mechanism (20) for the semi-automatic operation of a cartridge firing firearm (10) providing, in combination, a receiver (12); a barrel (11) attached to the receiver; a gas operated slide assembly (13) providing a slide (14) movable within the ... | 03/25/1997 |
| 5605002 | Firearm breech block actuator A firearm breech block actuator for operating the latch of a spring-pressed, latch-controlled firearm breech block having a push button latch control positioned for pressing by the fingers of the marksman preliminary to firing the firearm. The actuator co... | 02/25/1997 |
| 5085123 | Large-caliber guns A device used especially in a large caliber weapon for controlling the train of motion of an ammunition unit during the ramming thereof in the weapon, and of the case of the ammunition unit on firing of the gun includes an impact arrangement which upon ra... | 02/04/1992 |
| 4702144 | Cocking slide for automatic hand firearms A cocking slide (2,3) for automatic hand firearms serves for manually pulling back the spring loaded lock of the weapon by means of a one-way coupling (8,9). The cocking slide (2,3) comprises a handle (3), projecting laterally from the weapon, which posse... | 10/27/1987 |
| 4502367 | Firearms bolt carrier assembly A bolt carrier assembly has a housing (300) for supporting a bolt (317) and a P cross-sectionally shaped member (301) having the longer side of the P-shape secured to the housing, the P-shaped member being forwardly extended with respect to the bolt. The ... | 03/05/1985 |
| 4461203 | Breech-locking mechanism for firearms A device for loading and firing semi-automatic arms, particularly pistols, and comprising a plurality of follower lugs or pins carried in the slide, and a corresponding plurality of inclined grooves carried in the yoke and engaged by the lugs or pins so a... | 07/24/1984 |
| 4191089 | Breech-closing mechanism for automatic rifle A breech-closing mechanism for an automatic rifle having a breech chamber and a first locking and stop device comprises a longitudinally movable slide formed with a cam slot, a second locking device rigid with a longitudinally slidably bolt mounted in the... | 03/04/1980 |
| 4135434 | Breechblock for an automatic firing weapon A breechblock for an automatic firing weapon comprising a breechblock housing containing a breechblock head displaceable in the breechblock housing. There is also provided at least one movable blocking body by means of which the breechblock head can be lo... | 01/23/1979 |
| 4022105 | Automatic weapon firing mechanism An automatic weapon firing mechanism consisting of a slideably movable bolt arrier with cam slots cooperating with pins on the bolt and firing pin for rotating the bolt to lock it in battery position for firing and to cock the firing pin during recoil. Con... | 05/10/1977 |
