Cushion link and hydraulic stabilizer for bulldozer blade

Details Cushion link and hydraulic stabilizer for bulldozer blade Cushion link and hydraulic stabilizer for bulldozer blade

1977-09-29

1979-01-09

Johnson, Richard J.

Earth working

Mounting for pushed tool at end of motor vehicle

Transversely mounted blade

280481, 267153, 267 22A, 267 11A, E02F 376

Patent

active

041333926

ABSTRACT:
A bulldozer blade mounting assembly is provided for mounting a bulldozer blade on the front of a tractor. The mounting assembly includes a push frame connected between the tractor and the lower portions of the blade. A combined cushioning and stabilizing linkage assembly is provided with a link extending diagonally between each push arm of the push frame and the upper rear corner portions of the blade. The stabilizers on each link are interconnected with a closed loop hydraulic system so as to ensure that any deflection in one link must also occur in the opposite link.

REFERENCES:
patent: 1647518 (1927-11-01), Hawley
patent: 3158944 (1964-12-01), Rehberg
patent: 3265380 (1966-08-01), Hall
patent: 3437332 (1969-04-01), Lee
patent: 3441092 (1969-04-01), Drone
patent: 4074896 (1978-02-01), Eftefield

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