TRACTOR HITCH Russian patent published in 2001 - IPC

FIELD: agriculture. SUBSTANCE: hitch has lower and upper tie-rods and hydraulic cylinder connected via stem cavity with tractor hydraulic system and with liquid cavity of hydraulic pneumatic accumulator. Hydraulic cylinder is arranged in horizontal position. One end of hydraulic cylinder is pivotally connected to tractor and other end is joined to attachment connected to pulling bracket and to hitch T-piece so as to receive the whole load transmitted from farm machine to tractor. Upper tie-rod has adjustable length and lower tie-rods may be straightened. Such construction allows load vibration peaks on hook to be leveled. EFFECT: increased efficiency and simplified construction. 2 dwg