AUTOMATIC HITCHING TO HOOK TRAILERS TO FIELD HARVESTING MACHINE Russian patent published in 1994 - IPC

FIELD: agricultural engineering. SUBSTANCE: hitching provides for trailers automatic independent hooking to the field harvesting machine without using additional transport mean due to giving the turning rod 6 capability to move vertically. he turning bar 6 and main beam 5 are connected by a hinge-center cross 9, placed in a cantilever, that is rigidly fixed on main beam 5. The cantilever has two horizontal guiding plates 11 and 12 with a shaft of the hinge - center cross 9 vertically mounted on them. Turning bar 6 is fixed on a horizontal shaft The lower horizontal guiding plate of the cantilever has a groove, made of two vertical guiding plates and limiting lower plate 18, placed at an angle to lower horizontal guiding plate 12 and forms a slant in direction of free end of turning bar 6. EFFECT: hitching is effective in trailers independent hooking to harvesting machines. 8 dwg