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Class 89/137 - Interlocks between firing and cartridge feeding


Subclass of Class 89 - Ordnance
Definition: Guns having interlocks between the firing mechanism and
No. of patents: 17
Last issue date: 07/08/2008


NumberTitleIssue Date
7395747Breechblock stops for firearms and methods of operating the same
Firearms, breechblock stops for firearms and methods of operating the same are disclosed. An example firearm includes a trigger that requires a force to be released, a trigger guard, a breechblock, and a spring-loaded breechblock stop that is operable between a rest...
07/08/2008
6952895Magazine disconnect safety
A firearm is provided including a frame having a magazine receptacle, a trigger, and a magazine. A safety device to lock the trigger when the magazine is removed is provided that includes a trigger bow having leaf spring receiver. A leaf spring extends from the fram...
10/11/2005
6405471Safety lock for an automatic weapon
A safety lock is disclosed for use with an automatic weapon such as a pistol. The automatic weapon has a hammer which is connected to a spring guide rod on which a striker spring is supported. This rod enters a removable insert during cocking of the hamme...
06/18/2002
5691497Self-loading grenade launcher
The invention relates to a self-loading grenade launcher with a cartridge belt feed which conveys a cartridge with pawls engaging in the cartridge belt of a cartridge belt. An inertia bolt runs forward along a path from a release position against the cart...
11/25/1997
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
5383389Ammunition indexing mechanism
An ammunition indexing mechanism for moving, responsive to actuation of a trigger mechanism, a cartridge from a selected one of a pair of opposed feedports in a weapon receiver and into alignment with a firing chamber of a barrel assembly of the weapon, h...
01/24/1995
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
5355768Automatic pistol with select fire mechanism
A select fire automatic pistol comprising: a frame; a slide with a breech-block in the rear which slides on the frame over the barrel to form a cartridge receiving chamber; a floating barrel in the slide having a cartridge receiving rear; a trigger safety...
10/18/1994
5329840High capacity electrical cartridge interconnect
A system for controlling the application of firing signals to electrically fired ammunition rounds which are chambered in the gun or the like. A plurality of insulated contacts are installed in the firing chamber wall so as to connect electrically to mati...
07/19/1994
4550641Safety apparatus in externally powered firing weapon
In weapons in the nature of a Gatling gun the danger exists with an ignition delay or hangfire that the cartridge still is ignited after the positively reciprocated breechblock has been unlocked. However, cartridge ignition is undesired after unlocking of...
11/05/1985
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
4299158Last round detection device
The device is for use with an ammunition storage drum for a modern multi-barrel high rate-of-fire machine gun (i.e., "Gatling" type gun) system, in which unfired ammunition rounds are transported from the drum to the gun, and the cases of the spent ammuni...
11/10/1981
4148245Fluid propellant projectile firing device
A projectile firing device utilizing a fluid propellant in which an electronic control responsive to a charging signal, cycling of the bolt in the breechblock to a fully closed position and pressure in the firing chamber below a preset value opens a valve...
04/10/1979
4031648Magazine safety and ejector
In a semi-automatic, magazine-loaded double action firearm wherein the firing pin is cocked and released for firing by a trigger bar articulated to the trigger, a resiliently mounted arm is positioned within the frame of the weapon to intercept and eject ...
06/28/1977
4019424Cartridge soft feed mechanism with magazine interrupter
A cartridge soft feed mechanism for presenting the cartridge to the chamber f a gun in such a way that the axis of the cartridge experiences no lateral or angular movement during chambering. The cartridge is telescoped into the chamber without ramping, red...
04/26/1977
3977295Belt monitoring apparatus
A belt monitoring apparatus for an automatic firing weapon supplied by a cartridge belt and equipped with a pivotable support element, which support element possesses a work position and a rest position, and wherein the trigger of the firing weapon only c...
08/31/1976
3972142Shot gun
A shot gun, wherein a pulled trigger causes a disconnector to push a sear for rotation, thereby disengaging a hammer from the sear; the hammer normally urged by a plunger assembly forcefully rotates when released from the sear and impinges on the firing p...
08/03/1976
 
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