SPORTING-HUNTING WEAPON Russian patent published in 1995 - IPC

FIELD: small arms. SUBSTANCE: lock bar with dead hole and lock bar locator are mounted in box of weapon. Locator is made in form of a rod in internal space of which the spring is disposed provided with small press which rests against cap of the box. The rod has tooth protruding mirror of the box for interaction with lower plane of hook of barrel unit. In order to open barrels, the bar is moved back. After the bar goes from groove of the unit, the barrels are turned anti-clockwise. Hook of the unit releases tooth, and rod enters dead hole to fix the bar. At closing barrels, hook of the unit presses against the tooth and the rod goes out of dead hole and releases lock bar. EFFECT: improved convenience. 3 dwg