GUN FOR UNDERWATER HUNTING Russian patent published in 2003 - IPC

FIELD: mechanical means of throwing of objects, in particular - harpoon guns for underwater hunting. SUBSTANCE: the gun has a barrel, installed on one end of which is a muzzle gland, and the other end is located in the handle, tubular firing rubber installed in the barrel, fastened with its front end on the muzzle gland concentrically to the barrel and made with a tail-piece having a seat on its rear end, trigger assembly with the hammer positioned in the handle, and a sear kinematically linked with it, engageable with the tail-piece of the firing rubber, and a harpoon placed inside the firing rubber and in the seat of the tail-piece. A novelty in the gun for underwater hunting is the fact that the kinematic linkage between the hammer of the trigger assembly and the sear is made in the form of two hydraulic cylinders positioned in the handle, the piston of one of which is rigidly coupled with the aid of a rod to the hammer and spring-loaded in the direction of the latter, and the piston of the other hydraulic cylinder - with the sear and is spring-loaded in the direction of it, the piston cavity of the first hydraulic cylinder communicates with the rod cavity of the second hydraulic cylinder, and with the environment - through the ducts positioned at the beginning of the piston run. EFFECT: prevented a random shot. 1 dwg