Class 89/187.01 - Sliding locking member

Subclass of Class 89 - Ordnance
Definition: Devices including means with a sliding member for locking
No. of patents: 25
Last issue date: 12/25/2007

Number	Title	Issue Date
7311032	Firearms with gas pressure loading mechanisms Firearms employing gas pressure loading mechanisms are disclosed. An example firearm includes a single force receiving component containing a gas cylinder, and a barrel in communication with a cartridge chamber received in the force receiving component. The cartridg...	12/25/2007
7237469	Firearms having a locked breech Firearms having a locked breech are disclosed. An example firearm includes a barrel; a bolt head; a firing pin having a bulge; a bolt head carrier having a forward position and a rearward position; a central force receiving component receiving a rear end of the barr...	07/03/2007
7219463	Methods and apparatus to secure a safety catch in a jammed position Methods and apparatus to secure a bolt in a jammed position are disclosed. A disclosed firearm includes a housing; a mounting bracket carried by the housing; and a cocking slide slidably engaging the mounting bracket external to the housing. The cocking slide is eng...	05/22/2007
7047684	Short repeater rifle Short repeater rifle with a barrel, which has on one of its ends a cartridge receiver; a locking system; a trigger assembly with a trigger and a trigger guard; a firing mechanism; a magazine; and a targeting device, characterized in that the center of gravity of the...	05/23/2006
7000345	Underbarrel shotgun A shotgun comprises a receiver made from a first material; barrel having a portion extending into the receiver and made from a second material; a collar nut securing the barrel to the receiver; a bolt assembly disposed within the receiver and including a locking blo...	02/21/2006
6820533	Bolt action rifle An improved bolt action rifle. In its preferred embodiment, the improved bolt action rifle has at least one locking lug positioned within the bolt and having at its bottom a convex projection adapted to be inserted into a mating convex slot; a locking lug safety plu...	11/23/2004
6718680	Semiautomatic handgun having multiple safeties A semiautomatic handgun having multiple safeties includes a body made in two halves and a slide which can move lengthwise on a pair of rails. The hammer is cocked by rearward movement of the slide. The trigger, which has purely translation motion, is blocked from be...	04/13/2004
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
6609319	Bolt assemblies for firearms New and improved bolt assemblies for M4/M16 firearms capable of firing a remarkably greater number of rounds than previously available M4/M16 firearms are, disclosed that have right and left compression springs that are parallel to each other, straddle th...	08/26/2003
6564491	Firearm bolt assembly An elastic sleeve having a longitudinal slit is positioned between a bolt head and bolt carrier. The sleeve is inserted into an annular space in the bolt carrier when the sleeve is radially compressed allowing relative movement between the bolt head and b...	05/20/2003
6418655	Underbarrel shotgun A shotgun comprises a receiver made from a first material; barrel having a portion extending into the receiver and made from a second material; a collar nut securing the barrel to the receiver; a bolt assembly disposed within the receiver and including a ...	07/16/2002
6318231	Semi-automatic pistol barrel with precision barrel muzzle bushings and method A barrel bushing for a semi-automatic pistol. The barrel bushing defines a bore for receiving a barrel therein for reciprocating movement during operation of the pistol. The improvement to the barrel bushing comprises first, second and third annular beari...	11/20/2001
6276256	Breechblock for barrel weapons Breechblock for barrel weapons, having a breechblock head which is guided in a breechblock guide and, by means of a control element which can be moved to and fro in a straight line and has control ramps, can be brought out of a loading position into a loc...	08/21/2001
6129000	Firearm, in particular a hand firearm A firearm, in particular a hand firearm is proposed having a displaceable barrel (23) and a locking mechanism between a bolt carriage (22) accepting the barrel and a guide rod (26) coupled to the barrel (23), wherein the unlocking is effected through rota...	10/10/2000
5969285	Drop-in barrel for recoil operated pistols A drop-in barrel is provided that utilizes an extended locking recess and a spring clip retained within the locking recess to reduce the engagement tolerance between the slide and barrel of a recoil pistol, thereby achieving the performance necessary for ...	10/19/1999
5939659	Gas operated forward actuating pistol This invention comprises a gas operated forward actuating pistol with a locking bolt to hold the barrel assembly closed until the bullet has passed the port in the barrel. At the passing of the bullet, the gas pressure first moves the lock bolt down freei...	08/17/1999
5900576	Semi-rigid locking system for a firearm A semi-rigid locking system for a firearm is described. The locking mechanism has a breech block which is locked with the stock and which can be released by a spring-biased control member. The breech block has at least one bore which receives a locking el...	05/04/1999
5886281	Breech block control for firearm for projectiles The invention concerns a firearm for receiving and firing a projectile. The firearm includes an integral casing having a barrel and a breech block receiving area to the rear of the barrel. A breech block is guided through the breech block receiving area b...	03/23/1999
5834678	Bullpup .50 caliber semi-automatic target rifle A shoulder fired semi-automatic rifle in the bullpup configuration including a housing, a barrel projecting forward from the housing, a bolt mechanism within the housing including but not limited to a firing pin having a system to prevent movement via ine...	11/10/1998
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
5138930	Locking device for the breech of an automatic weapon The invention relates to a locking device for the breech of an automatic weapon in which the longitudinal movement of the breech (4) is generated by a rotating drum (1) driven by an external motor. It comprises a locking wedge (6) that moves under the effect o...	08/18/1992
4909129	Gun lock and gas operating system A lock and gas operating system for a weapon wherein propellant gas is trapped in an expansion chamber and then released by an actuator valve. The primary-secondary mass relationship in prior art devices is eliminated in this system which has no secondary...	03/20/1990
4893547	Bolt mechanism for fire arm A locked breach, gas operated long action firearm capable of firing heavy caliber shotgun or rifle shells with substantially reduced recoil. The gas piston and bolt carrier assembly are supported for recoil movement along a single guide rod which extends ...	01/16/1990
4807513	Straight breech for an automatic gun barrel weapon, in particular a machine cannon An improved ammunition feed and guide mechanism for an automatic gun barrel weapon such as an automatic machine cannon. This mechanism includes a breech mechanism mounted in a housing. The breech mechanism includes a breech body driven by a pair of roller...	02/28/1989
4677898	Hand firearm The breech block of a hand firearm consists essentially of a breech block carrier being displaceable against the force of a return spring, and a breech block being supported for relative movement in the breech block carrier and being traversed by an ignit...	07/07/1987

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Class 89/187.01 - Sliding locking member