TRACTOR LINKAGE Russian patent published in 1995 - IPC

Abstract RU 2025921 C1

FIELD: agricultural engineering. SUBSTANCE: tractor linkage has traction effort vibration damper and upper link 11 and lower links 12 mounted on damper. Damper has two parallel upper and lower parallelograms. Longitudinal links 3 and 4 of parallelograms are hinge- connected to tractor by means of axles, and their free ends are rigidly connected by cross links which, in their turn, are interconnected by vertical link 9. Hydraulic cylinder 10 is installed between axle of attachment of upper parallelogram to tractor and cross link of lower parallelogram. Rod space of hydraulic cylinder communicates with liquid space of pneumohydraulic accumulator 14 and hydraulic system of tractor. Piston space of hydraulic cylinder communicates with atmosphere. EFFECT: enlarged operating capabilities and reliability. 4 dwg

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RU 2 025 921 C1

Authors

Kuznetsov N.G.

Grigor'Jants R.A.

Krivov V.G.

Kul'Chenko N.I.

Fliegel V.K.

Narbaev Kh.

Dates

1995-01-09—Published

1991-04-01—Filed