DEVICE FOR WEAPON BARREL CLEANING Russian patent published in 1998 - IPC

FIELD: cleaning of weapon of any kind with a barrel having a large inside diameter of 45 mm and larger. SUBSTANCE: the device is installed on muzzle end 4 of the weapon by means of clamping centering device 3. Upright 16 for supporting of air cylinder 6 is adjusted in height. Removable adapter 15 is fitted onto rod 7 before or after connection of the device to barrel muzzle end 4. Air is fed under pressure to one of the cavities of air cylinder 6. Air is fed to the other cavity of air cylinder 6 by changing over the controlled slide valve. In the travelling position the rod is sunk in air cylinder 6, and upright 16 is folded and adjoins air cylinder 6. EFFECT: enhanced efficiency. 2 dwg