Matches 1 - 50 out of 80 1 2 >
Match Document Document Title
7568422 Bolt operation facility for autoloading firearm  
A semiautomatic rifle has a housing defining a housing axis and containing a bolt assembly that reciprocates along the housing axis. The bolt assembly has a bolt carrier and a bolt, which...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.
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...
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...
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...
3901126 Automatic small arm  
This automatic small arm mechanism provides the locking of the firing members by means of an independent member adapted to engage the intermediate lock member controlled automatically by the...
3874265 Ammunition feed and bolt lock mechanism for a closed breech rocket gun  
A closed breech rocket gun has a rotatable feed shaft thereon for intermittently feeding a round of ammunition into the firing chamber as the shaft is rotated by means of a plunger rod movable...
3872771 Automatic firearm with gas actuated breech mechanism  
The actuating part of the breech mechanism comprises at least one longitudinal housing open towards the front and laterally towards the inside and towards the outside of the weapon, in which is...
3866344 Lock device of a shot gun  
A lock device for a shot gun to block a cartridge from behind on firing including a slide body slidably disposed along a barrel and a lock member rockably and slidably associated with the slide...
3866516 Semi-automatic piston employing a pivotally, slideable member  
There is disclosed an automatic weapon which utilizes structure providing an improved action. A slide member is coupled to a barrel member. The barrel is rigidly secured to a frame and does not...
3859745 HUNTING GUN WITH FLOATING BOLT PROVIDED WITH A DEVICE FOR LOCKING THE BOLT HEAD IN THE BOLT BREECH UPON FIRING  
The hunting gun has a bolt assembly comprising two parts, namely a locking head and a floating element with a spring interposed between the two parts. The locking head comprises essentially one or...
3857325 SEMI-AUTOMATIC FIREARM  
A semi-automatic double action firearm including a frame having a hand grip positioned to be grasped when the firearm is fired, a barrel fixed to the frame, and a firing pin adapted for axial...
3845689 BREECH-BLOCK FOR AUTOMATIC GUNS, MORE PARTICULARLY AUTOMATIC SHOTGUNS  
The breech-block for an automatic gun of the type having a pivoted lock which is adapted to engage in a cavity provided in the top of the receiver of the gun is further provided with a spring...
3835566 CYLINDER BREECH MECHANISM FOR SMALL ARMS  
A firearm includes a receiver, a barrel, a bolt slidable in the receiver, spreaders mounted in the bolt for being pivoted into a locking recess on the receiver and a locking element for shifting...
3834272 MULTIBARREL AUTOMATIC WEAPON  
A "Gatling" type gun is provided with a single actuator rod for intermittently driving a plurality of bolts.
3821920 CATCH DEVICE FOR AN AUTOMATIC FIRING WEAPON  
A catch device for an automatic firing weapon comprising a breechblock which can be displaced from a rearward position into a firing position and a pivotal catch element which, when assuming its...
3789730 AUTOMATIC WEAPON WITH SELF LOCKING BOLT BREECH BLOCK  
An automatic weapon including a self locking bolt which comprises a weapon casing defining a loading chamber. A breech block moves forwards and back and is adapted to insert a cartridge into the...
3774500 MACHINE PISTOL  
Automatic weapon having a unitary fire control group including a burst control counter rotatable in one angular direction from a starting position in synchronism with hammer release and which is...
3736687 LOCK FOR A RECIPROCATING MECHANISM  
A linkage reciprocates in a groove and has offset pivotal connections which cause an end of one of the links to engage a notch in the groove at the forward end of travel of the linkage. The...
3707795 CYLINDER BREECH FOR SMALL FIREARMS  
A breech mechanism wherein a bolt actuated locking sleeve is telescopingly mounted on a breech bolt and is operable to cam breech bolt locking lugs outwardly into abutting cooperation with...
3611872 LIGHTWEIGHT COMPACT RIFLE  
An automatic rifle of lightweight and extreme compactness is disclosed which is characterized by having no stock. The recoil is transmitted through the shooter's arm to the shoulder. The trigger...
3473434 AUTOMATIC FIREARM BREECHBLOCK LOCK,THE CONTROL MEMBER OF WHICH IS LATCHED BY A GAS OPERATED SETTING MEMBER  
3447417 GUN WITH A FLOATING BREECH BOLT  
Matches 1 - 50 out of 80 1 2 >