MECHANICAL BARRELLED SPRING-INERTIA SMALL-ARMS WEAPON (GUN, RIFLE) Russian patent published in 2012 - IPC F41B11/00 

FIELD: weapons and ammunition.

SUBSTANCE: air gun includes barrel with foresight on one end and coupling with cross-bar locking device on the other end, barrel receiver with bracket on the second end, which is hinged to the coupling, firing coil spring, piston with a cuff on the second end and back-plate, stock of gun type with a handle, and lever arming mechanism with locking device. Sight leaf is installed from above barrel receiver. Piston with a cuff and back-plate are located inside barrel receiver. Stock is screwed to the receiver. Lever arming mechanism is covered with a safety clip and kinematically connected to the piston and to the trigger of the trigger mechanism attached from below of the stock. Gun is provided with spring-inertia mechanism with longitudinal sliding inertia loads with pusher inside it for pushing of a bullet in the barrel during firing. Spring-inertia mechanism includes barrel with longitudinal slot for the pusher, which serves as a rod, end heads, contact spring of the bullet in the barrel at cartridge chamber, damping spring, washer and longitudinal sliding inertia load with pusher, removable cocking lever of inertia load to armed position, levers of locking and trigger mechanism, ropes, and firing spiral spring. End heads are fixed on ends of the barrel and rigidly bolted to neck of the stock. Inertia load with pusher is located on barrel in movable manner. Firing spiral spring is located in the cylinder and kinematically connected via ropes to inertia load through intermediate pulleys fixed on front end head. Stock with neck is provided with a hollow handle to arrange spare bullets in it.

EFFECT: improving reliability of air gun.

1 dwg