COVERED FREIGHT WAGON SLIDING DOOR LOCKING DEVICE Russian patent published in 2020 - IPC E05B65/00 

FIELD: transportation.

SUBSTANCE: invention relates to railway transport and is intended for use in the design of covered freight cars as means of locking sliding doors when carrying and storing valuable goods, and can also be used for locking other objects having sliding doors, for example containers, warehouses and other. Invention is aimed at improvement of reliability due to exclusion of unauthorized malicious opening of car for stealing of cargo stored and carried in car both inside and outside, which is provided due to fact that sliding door device includes casting with tooth, which axis of rotation is made in the form of a bolt, for installation of a bolt and a turn there is a bracket, which is made in the form of a cast part, on the free end of which protrudes outside from the car, there is a projection, in which annular groove for bolt head arrangement is made, on the side of inner surfaces of both ends of bracket, oriented opposite to each other, there are open from above slots, distance between planes of which corresponds to the length of the bushing installed with possibility of rotation in the through hole of the end of the catch, on the end of the bolt protruding inside the car there is a through hole for installation of a cotter pin provided for prevention of nut unscrewing, nut, fixing bolt is made with possibility of its welding to bolt, device is additionally equipped with bushing of annular shape, installed around end of bolt with nut fixed thereon with cotter pin and rigidly attached to inner wall of car by means of welding.

EFFECT: higher reliability.

3 cl, 5 dwg