MECHANISM TO OPEN AND CLOSE DOOR OF COVERED WAGON Russian patent published in 2012 - IPC E05B65/14 

FIELD: construction.

SUBSTANCE: mechanism to open and close a door of a covered wagon comprises locking and diverting devices. The locking device comprises a locking lever with a threaded spindle and hingedly joined horizontal traction rods with adjustment screw ties and vertical pressing shafts, to which cams are rigidly fixed, interacting with brackets of a door opening. The diverting device comprises two rotary shafts with flap levers and upper and lower crankshafts hingedly fixed to the shafts, which in their turn are connected with appropriate roller supports, kinematically connected with guides in a door opening. At least one crankshaft is equipped with a vertical fixator with a hole matching a hole in a guide of a door opening in the closed position of the door. Fixing elements are installed into matched holes, which prevent rotation of crankshafts and unauthorised penetration inside a wagon.

EFFECT: device eliminates the possibility of hidden unsealing of doors.

2 cl, 4 dwg