Class 89/190 - Pivoted locking member

Subclass of Class 89 - Ordnance
Definition: Guns with a pivoted member for locking the breech block.
No. of patents: 37
Last issue date: 01/10/2012

Number	Title	Issue Date
8091466	Breech portion for a repeating rifle The invention relates to a breech for a repeating rifle with a lock guide, a bolt head arranged in the lock guide, a locking sleeve arranged concentrically with the bolt head with several locking elements that can be moved by an expansion device between an inner unl...	01/10/2012
7316565	Action reciprocating structure of a toy gun An action reciprocating structure of a toy gun an action part and a gear box of a loading mechanism, of a toy gun, wherein the action part is located at a top of the toy gun, the gear box is located at a bottom of the toy gun, and a reciprocating mechanism is locate...	01/08/2008
7228780	Handgun with two-sided breechblock mechanism A handgun, particularly an automatic pistol, with a grip piece, a breech that can be longitudinally displaced relative to the grip piece, and a breechblock mechanism that can be actuated on both sides and serves for holding the breech in its open position. The breec...	06/12/2007
7197973	Locking assembly for firearm simulators A bolt locking assembly for a weapon simulator, the weapon simulator having a bolt affixed to a firearm housing providing recoil to the user. The bolt is connected to a piston housed in a piston chamber inside the housing. A gas supply provides a compressed gas or f...	04/03/2007
7069683	Magazine and slide lever assembly for a semi-automatic firearm A firearm having a slide includes a magazine for accommodating a round of ammunition and a magazine follower disposed within the magazine. The magazine follower supports the round of ammunition and includes an outwardly extending protruding lip having a distal end w...	07/04/2006
6938534	Locking assembly for firearm simulators A bolt locking assembly for a weapon simulator, the weapon simulator having a bolt affixed to a firearm housing providing recoil to the user. The bolt is connected to a piston housed in a piston chamber inside the housing. A gas supply provides a compressed gas or f...	09/06/2005
6931978	Rebound attenuation device for automatic firearms A blow-back operating automatic firearm has a sliding mass carried with its bolt carrier assembly to increase the dwell time of the bolt at the breech when the bolt is in battery position for firing. The sliding mass reduces the tendency of the bolt to bounce-off th...	08/23/2005
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
6772670	Operating method for automatic weapons and automatic revolver based thereon Operating method of automatic fire-arms and automatic revolver based on this method. The operation method involves turning the arm barrel unit in a vertical plane relative to a transversal horizontal axle connecting the arm barrel unit with the frame occurring as a ...	08/10/2004
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
5992075	Repeating gun having an axially guided repeating unit Repeating gun having an actuating arrangement which is mounted so as to be axially displaceable and which can be connected to a movable breech mechanism, which is guided likewise in an axial manner, for opening and closing the cartridge chamber, and can b...	11/30/1999
5726376	Breechblock system for a gun A breechblock system for a gun includes a breechblock; a firing pin slidably received in the breechblock and having two diametrically oppositely located catch recesses; and two locking levers pivotally supported by the breechblock on opposite sides thereo...	03/10/1998
5726377	Gas operated firearm A known gas operated firearm has been modified to be of more compact size and reduced weight while retaining the firepower, the features, and most of the components of its predecessor. A bolt assembly reciprocably mounted in a longitudinal cavity of a rec...	03/10/1998
5651205	Bolt and firing pin locking system for firearm An autoloading firearm having a reciprocating bolt, a cocking lever and firing pin which bolt and firing pin are locked by a locking lever until the trigger is pulled or until the cocking lever of the bolt is manually pulled back. A linkage operably contr...	07/29/1997
5463828	Shot gun A gun 10, such as a shot gun or the like, of the type which includes a firing pin carrying bolt 25 which is reciprocally movable relative to the firing chamber 23 of the gun 10 between a first or firing position where the firing pin 29 can engage the rear...	11/07/1995
5458046	Breech mechanism for a firearm, especially a repeater weapon In the breech mechanism for a firearm the receiver (2) attached to the barrel has a radially inwardly directed conical locking shoulder (16). A breech head (9) and a locking sleeve (7) are arranged in a slider (3) slidable relative to the breech housing (...	10/17/1995
4815356	Breech lock mechanism for automatic firearms A breech lock mechanism for automatic firearms, in particular, a rigidly closing breech lock mechanism with loosely located support flaps in its breech head which will slide along an associated and complementary formed latching and unlatching component in...	03/28/1989
4742757	Locking device for a gun barrel of an automatic weapon The safety lock for a barrel of automatic weapons comprises a breechblock carrier whose face facing the barrel confronts a slide. This slide is movable essentially perpendicular to the longitudinal axis of the barrel into a recess provided in the outside ...	05/10/1988
4516466	Mechanism providing positive safety with bolt locked A gun mechanism for guns embodying safety mechanism. The mechansim includes a trigger, a sear, and a hammer in operative relationship. A disconnector member is carried by the trigger and is operative to disconnect the sear from the hammer for firing. An e...	05/14/1985
4506589	Firing mechanism for automatic firearm A firearm comprises a barrel having a bore and a receiver forming an ignition chamber. A bolt is slidable in the ignition chamber and includes a striker projection for igniting a primer of the projectile. A bolt advancing mechanism comprises an arm having...	03/26/1985
4467698	Angular shape firing pin for use with a collapsible toggle recoil in a hand held weapon Hand held rifles and pistols employing a novel bolt firing pin configuration and controls therefor which effectively absorb the effects of the shell explosive forces....	08/28/1984
4397214	Apparatus for lubricating the locking bolts of a breechblock of an automatic firing weapon An apparatus for the lubrication of the locking bolts of a breechblock of an automatic firing weapon enables, with very little maintenance, reliable lubrication of the locking bolts. The lubrication apparatus contains a hydraulically loaded supply contain...	08/09/1983
4389920	Semiautomatic firearm A gas operated system for use in semiautomatic firearms is disclosed. The gas operated system utilizes a gas powered assembly which is actuated by gas under pressure. The gas powered assembly is utilized to provide rearward motion to a drive assembly. The...	06/28/1983
4381694	Recoil block or brake for a linear breech mechanism in an automatic fire arm A recoil brake or block mechanism for an automatic fire arm having a linearly reciprocating breech block. This mechanism includes a slide which is reciprocally mounted on the breech block. A two-armed lever is pivotally mounted in the housing of the fire ...	05/03/1983
4345505	Firing pin locking system A feature of this invention is the provision of a gun bolt having a firing pin which is movable to and between an aft disposition whereat the forward end of said pin is aft of the face of the gun bolt and a forward disposition whereat said forward end is ...	08/24/1982
4344246	Firing pin block for firearm having a reciprocating breech bolt A firing pin block for a firearm of the type having a reciprocating bolt assembly including a breech bolt and slide block, a firing pin, and a pivotal locking block. The slide block and locking block have cam means which cooperate to pivot the locking blo...	08/17/1982
4301712	Device for controlling the degree of blowback delay in automatic weapons Device for controlling the degree of blowback delay in automatically operable weapons is provided and comprises locking means which are operable to prevent opening of the weapon breech until breech pressures have dropped to generally residual, safe levels...	11/24/1981
4240325	Breechblock for an automatic firing weapon A breechblock for an automatic firing weapon wherein at the breechblock having a control element and a breechblock head which can be locked at the breechblock housing the locking elements are specially designed. At a front part of each locking element con...	12/23/1980
4227439	Anti-bounce apparatus for reciprocating bolt assemblies of automatic cannon Anti-bounce apparatus for an automatic cannon reciprocating bolt assembly which includes a bolt, a bolt carrier and bolt mounted locking lugs, comprises means defining engagement surfaces contoured for enabling the forward moving carrier to cam the lugs i...	10/14/1980
4194433	Breechblock for an automatic firing weapon A breechblock for an automatic firing weapon comprising a breechblock housing having a bore in which there is connected a weapon barrel,a breechblock body is displaceably arranged in the breechblock housing. The breechblock body is equipped with at least ...	03/25/1980
4176584	Slide locking mechanism for magazine-fed firearms In a magazine-fed firearm having its barrel fixed to the frame and having a slide reciprocably mounted to the frame, with resilient means positioned between the slide and the frame urging the slide toward the muzzle, a lever rotatably mounted to the frame...	12/04/1979
4161836	Breechblock assembly and an operating mechanism for a fire-arm automatic loading A breechblock assembly and operating mechanism for a gas operating automatic loading fire-arm has a breechblock slider adapted to be retracted by utilization of a gas pressure at the firing of the shotshell, a link is pivoted at the rear end of the slider...	07/24/1979
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
4126079	Bolt actuating mechanism useable with floating firing pin A gun employing improved bolt design and movement control to reduce recoil, facilitate loading and ejecting of the shells and employable with a floating firing pin....	11/21/1978
4065998	Gun lock and firing mechanism for 30mm cannon A firing chamber lock and unlock mechanism for automatic large caliber wens having a reciprocable firing chamber and rotatable cam means for both actuation of the locking and unlocking functions and actuation of the reciprocation of the firing chamber sy...	01/03/1978
4015512	Gas-operated firearm A gas-operated firearm is disclosed in which the gas port is located in the forward part of the chamber, in the part of the barrel bore wall which surrounds the portion of the bullet projecting from the case of a chambered cartridge. In the disclosed fire...	04/05/1977
3960053	Automatic firearm having anti-bounce sear A belt-fed, gas-operated, air cooled automatic firearm having a novel mechanism for transferring link-connected ammunition rounds from a novel ammunition magazine to a feed position in an automatic firearm and having a novel sear mechanism including an an...	06/01/1976

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Class 89/190 - Pivoted locking member