Class 89/167 - Nonaxial rectilinear breech block motion

Subclass of Class 89 - Ordnance
Definition: Guns wherein the breech block motion is rectilinear but
No. of patents: 3
Last issue date: 10/13/1992

Number	Title	Issue Date
5155292	Heavy support weapon A heavy support weapon, for example, of 30 mm caliber, designed for firing from conventional machine gun mounts without undue recoil loads transferred to the gun mount. The weapon is designed for first round accuracy whether in the automatic open bolt or ...	10/13/1992
4730539	Apparatus for increasing the rate of fire in automatic weapons An automatic weapon is provided with a device for increasing the rate of fire. The breech mechanism of the weapon is controlled by means of recoil movements which arise on discharge of the weapon, and by an operating cam and spring member included in the ...	03/15/1988
4240324	Automatic gun An automatic gun for firing a projectile by means of a separately loaded pellant case has a receiving frame in which an elongated barrel can reciprocate. The barrel, which has an axial bore from its breech to its muzzle, has a chamber member slidably mou...	12/23/1980

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