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Class 89/145 - By breech block or barrel motion


Subclass of Class 89 - Ordnance
Definition: Guns wherein the trigger and sear are automatically disconnected
No. of patents: 38
Last issue date: 04/15/2008


NumberTitleIssue Date
7356957Sliding barrel breeching mechanism
Apparatus 10 comprises a receiver body 12 along with a trigger 14 for activating the firing mechanism and a lever 16 for opening the breech assembly to allow access to the chamber for receiving the shell/cartridge 56 at the rear of...
04/15/2008
7343706Camblock assembly for a firearm
A camblock assembly with a camblock and a guide rod is employed in a firearm having a frame constructed of synthetic polymer material. The camblock has a front flange with flange surfaces that engage corresponding bearing surfaces of the frame to distribute forces a...
03/18/2008
7340987Conversion platform for a .45 ACP pistol
A method of modifying a .45 ACP pistol having a slide and a receiver defining a magazine well includes the steps of reducing the size of the magazine well and shortening the slide. The slide includes a breech face and a proximal end and the magazine well includes a ...
03/11/2008
7337570Camblock assembly with a detent mechanism for a slide stop latch of a firearm
A camblock assembly with a camblock and a guide rod is employed in a firearm having a frame constructed of synthetic polymer material. The camblock has a front flange with flange surfaces that engage corresponding bearing surfaces of the frame to distribute forces a...
03/04/2008
7337571Slide stop latch for a firearm
A camblock assembly with a camblock and a guide rod is employed in a firearm having a frame constructed of synthetic polymer material. The camblock has a front flange with flange surfaces that engage corresponding bearing surfaces of the frame to distribute forces a...
03/04/2008
7257920Aiming device
The present invention comprises a reflective surface used in conjunction with an aiming device that provides the user targeting information on a surface directly on the aiming device. The reflective surface is moveably mounted directly behind the aiming device, wher...
08/21/2007
7231864Reciprocating barrel firearm apparatus
A firearm apparatus includes a gun housing which includes a barrel support channel between a front gun housing portion and an intermediate gun housing portion. A reciprocating barrel is housed inside the gun housing and includes a piston-sleeve-contained barrel port...
06/19/2007
7213358Trigger system for small arms
The invention relates to a trigger system for small arms, said system including a hammer, a catch associated with the hammer, a trigger, and a trigger bar which cooperates with the trigger and has a first locking edge for engaging with a first fire locking element o...
05/08/2007
7103998Camblock assembly for a firearm
A camblock assembly with a camblock and a guide rod is employed in a firearm having a frame constructed of synthetic polymer material. The camblock has a front flange with flange surfaces that engage corresponding bearing surfaces of the frame to distribute forces a...
09/12/2006
7051638Trigger mechanism for small firearms
A trigger mechanism for small firearms with a striking hammer, a trigger, and a trigger rail, which interacts with the trigger and which can be moved by a control element from an engagement position for cocking the striking hammer into a release position for releasi...
05/30/2006
7010878Trigger system and method of installing same
A trigger system for an automatic handgun includes a trigger bar sized to be installed in an interior space behind a trigger by movement from the magazine well. The trigger bar is first inserted into the inlet opening of the magazine well and into the interior space...
03/14/2006
6826997Firearm
A firearm according to this invention has a bed (21) formed in the front part of a frame (2) in which is crosswise situated a pin (22). In the rear part of a barrel (3) there is formed a recess (31) of a helical form having on its ...
12/07/2004
6543169Semi-automatic firing and disconnecting device for a non-hammer fired machine gun
A semi-automatic firing and disconnecting device for a non-hammer fired machine. A first trigger member coupled to the weapon's firing pin and a second trigger member adapted for engagement by a user of the weapon move relative to one another from a first...
04/08/2003
6405631Semi-automatic handgun
A semi-automatic handgun is disclosed including a frame having a barrel housing mounted thereon. A barrel is movably mounted on the barrel housing and has a cartridge chamber at its rearward end for receiving a cartridge therein. The barrel is movable bet...
06/18/2002
6371004Laser beam apparatus for adjusting telescopic gun sights
A bore sighting assembly for accurately mounting a telescopic sight on a rifle or other firearm, with the sighting assembly utilizing a laser beam generator for creating a beam having a diameter of less than that of the bore, and with the light being dire...
04/16/2002
5448939Firearm with multiple sears
A firearm having a disconnector movable in two planes to disconnect the gun if the bolt moves rearward, disconnects the gun if the magazine box is removed and is the connecting member between the trigger and the sears. The firearm has a double sear both o...
09/12/1995
5386659Fire control mechanism for semiautomatic pistols
A fire control mechanism for a firing pin striker operated semiautomatic double action handgun includes a sear pivotably disposed on a frame between forward and rearward positions. The sear includes an edge portion for controlling the firing pin and furth...
02/07/1995
5373775Firearm having disconnector and dual sears
A firearm having a disconnector movable in two planes to disconnect the gun if the bolt moves rearward, disconnects the gun if the magazine box is removed and is the connecting member between the trigger and the sears. The firearm has a double sear both o...
12/20/1994
5272957Firearm with plastic material
A firearm (10) is provided which is light weight, safe and simple to operate. The firearm (10) comprises a bolt-barrel-receiver assembly (12), a grip assembly (14) and a magazine assembly (16). the bolt-barrel-receiver assembly (12) comprises a barrel ass...
12/28/1993
5216195Firearm
The sear is rotatably supported in the frame of the firearm to rotate around an axis of rotation. The hammer is pivotally mounted in the frame to pivot around a pivot axis. The hammer includes a striking surface. The sear includes a blocking surface which...
06/01/1993
5157209Semi-automatic safety handgun
In a semi-automatic firearm is a simplified firing mechanism that includes a manual safety system and a doubly redundant automatic safety system. The firing mechanism includes a trigger, a trigger bar, a trigger lever, a firing pin safety, spring loaded s...
10/20/1992
4932309Trigger mechanism for semi-automatic rifle
A trigger mechanism for a semi-automatic rifle in which a latch-disconnector hook member is mounted on the trigger member for engaging a catch on the transfer bar to temporarily hold the transfer bar down while the trigger is pulled and after the transfer...
06/12/1990
4893546Automatic pistol
A pistol has a frame, a barrel slidable on the frame and having a cartridge-receiving rear end, and a breech slidable on the frame and engageable over the rear end of the barrel to form a cartridge chamber. A standard slide carries the barrel and breech. ...
01/16/1990
4867039Combination pump action autoloading rifle and shotgun
A semiautomatic gun which can be used to fire two types of ammunition comprises first and second bolts and a selector assembly operated by a user of the gun. The selector assembly selectively permits loading and firing of one type of ammunition. The gun h...
09/19/1989
4825744Automatic pistol
A pistol has a frame, a barrel slidable on the frame and having a cartridge-receiving rear end, and a breech slidable on the frame and engageable over the rear end of the barrel to form a cartridge chamber. A standard slide carries the barrel and breech. ...
05/02/1989
4646619Singulating apparatus for a semiautomatic firearm
A singulating apparatus for a semiautomatic handgun is described comprising a spring member which extends from a sear in a cantilevered fashion for engagement by a sear actuating member when the sear actuating member is in a cocked position. When the sear...
03/03/1987
4589326Self-loading pistol in the form of a mechanically locked recoil loader
An automatic pistol is disclosed which is recoil-operated and has mechanical locking means. The locking action between the barrel casing and the breech member is effected by means of an amply dimensioned locking member pivotally supported within the breec...
05/20/1986
4531446Machine gun adaptor
An apparatus for converting an automatic firearm of high caliber including a frame, a receiver mounted on the frame, a barrel mounted on the receiver, a bolt disposed on the receiver telescopically moveable relative to the breech end of the barrel against...
07/30/1985
4516466Mechanism 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
4458578Trigger for an automatic firearm having a linear action breech block
A trigger device for an automatic firearm having a linear action breech block. The device includes a catch lever movable to arrest movement of the breech block and a specially constructed kinematic chain which prevents the occurrence of an ambiguous inter...
07/10/1984
4409882Hand gun
A recoil operated hand gun has a main frame (1) constructed from a plurality of releasably interconnected parts (2, 3, 4, 5, 6, 7), a barrel assembly (38), a slide (37) movable relative to the main frame and including a releasably secured breech block (42...
10/18/1983
4308786Trigger device for automatic gun
A trigger device for an automatic gun provided with a connector piece which serves to engage a hammer with a sear and also is interlocked with a trigger to slide forward on a trigger guard inside a receiver in such a way as to disengage the hammer from th...
01/05/1982
4185537Trigger device for automatic gun
A trigger device for automatic gun provided with a connector piece which serves to engage a hammer with a sear and also is interlocked with a trigger to slide forward on a trigger guard inside a receiver in such a way as to disengage the hammer from the s...
01/29/1980
4151782Handgun with indexing means
A handgun which combines the reliability of a revolver and the convenience of an automatic wherein said handgun is provided with a barrel which moves forwardly in response to the firing of a cartridge. Said forward movement and the reverse thereof being r...
05/01/1979
4103587Autoloading pistol
A pistol in which a recoil-impacted bolt is in engagement with the front link of a toggle; and such link carries a transmittance pin designed to be struck by the hammer of the pistol when the links of the toggle are aligned. The bolt carries a firing pin ...
08/01/1978
4017996Sear-disconnector for firearms
A disconnector for the trigger mechanism of a repeating firearm, in which the trigger must be disconnected from the sear during the reloading cycle so that the sear can re-engage and cock the firing member even though the trigger is still retracted when t...
04/19/1977
4003292Rifle
A firing mechanism for a semi-automatic rifle that provides a breech block and firing pin, each reciprocally movable simultaneously and independently in response to the firing of the rifle and the action of a pair of expansion springs positioned forwardly...
01/18/1977
3965604Firing and trigger mechanism for self-loading match pistol
A firing and trigger mechanism for increasing the accuracy of firing in which a hammer and a firing spring are held in a cocked position and in engagement with one arm of a bell crank. The other arm of the bell crank is engaged by a hammer catch that is c...
06/29/1976
 
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