THROWAWAY GRENADE LAUNCHER Russian patent published in 2009 - IPC F41F3/45 

FIELD: weapons and ammunition.

SUBSTANCE: grenade launcher comprises launch tube with end covers and grenade installed in it with jet engine, percussion trigger and sighting device, which is arranged aside from launch tube. Sighting device is arranged in the form of stand with dioptric holes and foresight. Foresight is made in the form of hollow plank of rectangular section with horizontal slots, in links of which triangular teeth are arranged, tops of which correspond to specific distances of shooting. Foresight is fixed with the possibility of its adjustment by height by fixation of according lugs on plank and rotary beam using screw with two threaded sections. One of sections is arranged in threaded lug of plank, and the other one - at the end of screw, and is fixed with nut that rests against lug of rotary beam. Plank is fixed as open in firing order with stop at rotary beam and is pressed with cylindrical spring arranged on rotary beam between plank lugs. Spring is made with sections wound in various directions and with hook ends at spring ends, which rest against shelf of rotary beam and hook end between sections of spring, which rest against wall of plank. Rotary beam is fixed on axis arranged between walls of box on yoke, and stand with dioptric holes is fixed on its own axis in walls of hollow foundation at the sharp angle to axis of launch tube in vertical plane and is arranged in the form of plate, upper part of which in zone of dioptric holes is bent to position of its parallelism with axis of launch tube. Plate from the side of foundation is arranged in the form of cam pressed with lamellar spring with the possibility of its folding.

EFFECT: increased sighting distance of shooting with increased accuracy of shooting.

5 dwg