LOCKING DEVICE OF SLIDING DOOR OF COVERED FREIGHT CAR Russian patent published in 2011 - IPC B61D19/00 E05B65/14 

FIELD: transport.

SUBSTANCE: invention refers to locking devices of sliding doors, namely covered freight cars. Locking device of sliding door of covered freight car includes catch with tooth, which is located on the car wall with possibility of rotation about the axis perpendicular to the movement plane of car door. Catch tooth has the possibility of interaction with bracket rigidly fixed on the door. Rotation axis of the catch is made in the form of bolt (4) installed in clamp (8) with two flat ends between which one end of catch is arranged, in through hole of which there installed is bushing (12) with flanges arranged in grooves of clamp. Head (5) of bolt is arranged flush with annular groove made in clamp (8), and cylindrical and threaded parts of bolt pass through cylindrical holes of both flat clamp ends, which are coaxial to each other, bushing (12) and car wall. Bolt end protrudes inside the car and is equipped with fixing devices. Clamp is made of metal flat band the thickness of which is not less than thickness of catch.

EFFECT: invention improves reliability and provides locking control owing to excluding the possibility of removing the catch.

8 cl, 3 dwg