TRAILER HITCH MECHANISM Russian patent published in 2020 - IPC B60D1/04 B60D1/14 B62D53/04 B62D63/06 

FIELD: trackless land vehicles.

SUBSTANCE: invention relates to trackless vehicles. Trailer coupler consists of traction hook interconnected with hitch tongue of trailer hitch. Rod of hitch loop is equipped with circular rings made integral with it in form of involute teeth interacting with mating gears located on gears of globoid, rigidly fixed on axles made of elastic material. Some ends of gears are rigidly fixed on a tow bar, and others are freely located in it. Part of the coupling hinge pin is equipped with splines interconnected with mating splines of the bushing rigidly mounted on the said drawbar.

EFFECT: higher reliability of motor-tractor trains and safety and movement.

1 cl, 3 dwg