TOWING COUPLER OF TRACTOR TRAILER GANGED UP BY HYDRAULIC HOOK Russian patent published in 2013 - IPC B62D53/04 A01B59/04 B60D1/00 

FIELD: transport.

SUBSTANCE: invention relates to automotive towing couplers, particularly, to devices intended for increasing the capacity of wheeled tractor capacity to be ganged up with two-axle trailer. Proposed towing coupler comprises trailer hitch, turn chassis, beam and hydraulic cylinder. Trailer hitch front part is equipped with hinge connected with beam front end. Bush is fitted at beam rear end and rigidly secured to hinge connected with the center of turn chassis wheel axle. Beam center is furnished with hinge connected with the rod of hydraulic cylinder mounted at turn chassis frame. Beam rear end is arranged to displace in lengthwise direction in the bush.

EFFECT: higher efficiency of coupler application.

2 dwg