HITCHING DEVICE FOR JOINING AGRICULTURAL MACHINES TO TRAILER Russian patent published in 1999 - IPC

FIELD: agricultural engineering. SUBSTANCE: device has vehicle hitch member, detachment-retainment member composed of two members 3,4 including front and supporting-bearing members interconnected through unit 5, which is adapted for providing rotational motion of supporting-bearing member 4. The latter has forks 10 positioned at its rear end and designed for rigid detachable joining with frame of trailer 2, and spherical support 13 positioned at its front end and designed for trailer 2 provided with tongue 11. Supporting-bearing member 4 is further provided with auxiliary pole 15 for seat 16 and driver's feet rests 14, which are positioned between spherical support 13 and sleeves 10. EFFECT: simplified construction, wider operational capabilities and enhanced reliability in operation. 10 dwg