PNEUMATIC CONSUMPTION-FREE GUN Russian patent published in 1994 - IPC

FIELD: pneumatic sports guns. SUBSTANCE: to pump gun with compressed air, the muzzle attachment in unscrewed from the gun tube. Pneumatic lock is cocked by rest of shot regulator by means of screwing coupling nut up. Harpoon is screwed in piston. Compressed air is pumped into receiver by means of harpoon and piston. For shooting the shot regulator is set into required position by unscrewing coupling nut. When pressing onto trigger, the unit moves back, ball enters recess of the unit, pneumatic lock moves back under action of the unit and opens by-pass channel of gun tube. In this case line rejecting lever gets free and turns about axis under effect of the line. Compressed air from the receiver is by-passed into gun tube and harpoon is thrown. EFFECT: improved safety of gun exploitation. 4 dwg