COUPLING GEAR Russian patent published in 2000 - IPC

FIELD: transport engineering; coupling of traction and towed machines to form agricultural set. SUBSTANCE: proposed coupling gear has four-member mechanism. Upper and lower members of mechanism are hinge-connected by some ends with frame and by other ends are hinge-connected with vertical member. Displacement of lower member is limited by frame stop. Bracket rigidly secured in middle of vertical member is hinge-connected with coupling unit of pole. Joint connecting pole with trailer is displaced relative to trailer wheel axle towards tractor. Lower member is hinge-coupled with frame by means of hydraulic cylinder connected with hydraulic distributor. EFFECT: provision of weight transfer to rear wheels of tractor. 1 dwg