Cushion dozer with three point attachment support

Details Cushion dozer with three point attachment support Cushion dozer with three point attachment support

1977-09-29

1979-05-08

Johnson, Richard J.

Earth working

Mounting for pushed tool at end of motor vehicle

Transversely mounted blade

E02F 376

Patent

active

041531175

ABSTRACT:
A cushioned bulldozer blade mounting assembly is provided with a three-point support on the blade. The mounting assembly includes an upper and a lower frame, the upper frame being pivotally mounted at spaced apart points on the tractor frame and having a single sliding and pivoting connection with the upper midportion of the blade. Cushioning members carried by the upper frame are provided between the upper portion of the blade and said upper frame. The lower frame is connected to the track roller assembly and to the lower corners of the blade. The lower frame is comprised of two halves with the halves being provided with blade stabilizing mechanisms, such as a sliding center ball connection therebetween.

REFERENCES:
patent: 3049821 (1962-08-01), Lichti
patent: 3158944 (1964-12-01), Rehberg
patent: 3234670 (1966-02-01), Fryer
patent: 3238647 (1966-03-01), Hall
patent: 3395764 (1968-08-01), Wirt
patent: 3913684 (1975-10-01), Casey

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