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Class 89/159 - Combined movable barrel and gas operated


Subclass of Class 89 - Ordnance
Definition: Guns having interrelated movable barrel and gas-operated
No. of patents: 14
Last issue date: 04/01/2008


NumberTitleIssue Date
7350452Firearm with improved salvo accuracy and similar device for a firearm
A fire arm with improved salvo accuracy, having a barrel and a casing mounted on a supporting frame, whereby the frame comprises a cradle provided with a slide which can slide in a direction which is mainly parallel to the axis of the barrel. The casing is mounted o...
04/01/2008
7347021Firearm action or receiver
Apparatus 10 discloses 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...
03/25/2008
7311032Firearms 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
7237469Firearms 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
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
6964220Floating barrel handgun method of recoil elimination
A floating barrel gun design, a design in which a propellant gas discharge is used to counterbalance the recoil force of the gun, has been improved to include a novel automatic mechanical mechanism which allows the floating or inner barrel to be held stationary with...
11/15/2005
6412390Low impulse firing adapter for combination gas and recoil operated weapons
A low impulse firing attachment and companion ammunition for combination gas and recoil operated automatic weapons is comprised of a barrel insert and piston that provide the mechanism for containing the expanding propellant gases produced on firing. Such...
07/02/2002
4709617Firearm
An automatic gas-operated forward recoiling combat shotgun has a reciprocally movable barrel which includes a bore and a revolving magazine which defines a circumaxially spaced series of firing chambers. In firing position, one of the firing chambers is c...
12/01/1987
4635530Automatic hand firearm with rigidly locked breech for ammunition with extremely high projectile momentum
An automatic hand firearm for ammunition with extremely high projectile momentum is designed as a recoil loader which has a mounted barrel, supported by a spring and brake system (6, 7) on the weapon housing, a breech block (9, 10), which can be rigidly l...
01/13/1987
4324170Residue-accommodation means for a gas-operated gun
A recoil-operated gun wherein combustion gases are bled from the gun barrel gainst an end surface of a bolt-operating piston that is slidably disposed in a stationary cylinder carried by the gun receiver. A system of radial grooves and annular pockets is p...
04/13/1982
4178832Automatic gun having gas leakage control mechanism
This invention relates to automatic guns having bolt carriers operated by coil movement of the gun barrel. High pressure gas is bled from the barrel into a gas tube that delivers both mechanical and fluid pressure forces to a piston impactor aligned with ...
12/18/1979
4166409Sporting weapon
Automatic or semi-automatic sporting weapon of the type with gas tapping, characterized by the fact that it is fitted with a floating barrel....
09/04/1979
4024792Automatic shoulder arm
In an automatic shoulder arm designed as a gas operated weapon, especially an automatic rifle, the entire, fully operable weapon system, comprising the barrel, the bolt system, the gas operated action, the recoil spring arrangement, the cartridge feeding ...
05/24/1977
3985062Firearm construction
A firearm, particularly a short firearm for firing caseless ammunition, comprises a housing having a sleeve fixed therein with first and second spring members which are biased against a projection on the gun barrel in order to hold it against axial displa...
10/12/1976
 
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