MULTIFIRING GAS-CYLINDER REVOLVER Russian patent published in 1997 - IPC

FIELD: carbon dioxide gas-cylinder weapon, in which compressed vapors of carbon dioxide enclosed in standard gas cylinders are used as working medium. SUBSTANCE: multifiring gas-cylinder revolver has body 1, cover, barrel 8, fixed cylinder 9 with axle 9, tube 10, gas cylinder 13, needle 14 and working 15 valves, connecting tube 16, hammer 17 with sear 20, trigger assembly 22, cylinder revolving mechanism, single sear 24 and safety lock 27. The revolver is furnished with revolving clip 12, having longitudinal ducts for loading of ball bullets; shaped lug 47 is made on the body used to lower the bullets into the tube from the clip at revolving of the latter. Tube 10 is extended to the rear end surface of the cylinder which makes it possible to essentially increase the barrel length without any increase of the revolver overall dimensions. One surface is obturated with the aid of an obturator in the form a cylindrical spring-loaded ring the shaped groove on the inner surface of the clip. The clip revolving mechanism is located inside the cylinder and has slide 37 with an inclined groove longitudinally moving under the action of the trigger assembly, return spring and a double-arm lever with a latch. One of the lever arms is engageable with the slide inclined groove, and the other - with the lugs on the clip inner surface. To reduce the gas loss at loading of the revolver with the gas cylinder and enhance the rate of loading, the multifiring gas-cylinder revolver is furnished with pressure cover 29 located in the lower part of the handle with axle 30, screw with cup 31 and latch 32 engageable at opening with spring-loaded retainer 33. The revolver mechanism uses firing pin 21 with a movable spring-loaded pivot used to preset the working valve rod when the hammer is released. EFFECT: improved operating characteristics, increased ammunition stock and enhanced reliability. 5 cl, 9 dwg