Device for automatical coupling

摘要

The coupling is assembled of an element with a jaw end fixed to the tractor and a ring-shaped element located at the tow bar to be pushed between the claws and secured with a movable bolt. A connecting arm (4) is swivel mounted to the rear of the tractor and can be moved into a position facilitating the automatic joining of a contact element positioned at the outer end of the arm (4) and a contact device located at the tow bar. The arm (4) is moved by a toothed rack (8) meshing with the toothed segment (9) at the front of the arm (4).