Cushioned bulldozer blade

Details Cushioned bulldozer blade Cushioned bulldozer blade

1978-12-13

1981-06-23

Johnson, Richard J.

Earth working

Mounting for pushed tool at end of motor vehicle

Transversely mounted blade

E02F 376

Patent

active

042744938

ABSTRACT:
The push arms (17) of a bulldozer assembly (12) are mounted outboard of the track roller frames (18) of a tractor (11) and a cushioning cylinder (20) is interconnected between each push arm (17) and track roller frame (18). This arrangement thus avoids the problem of imposing loads on the main frame (15) of the tractor to which the push arms (17) are normally connected and permits cushioned loads to be transmitted to a pivot shaft (45) pivotally mounting the track roller frames (18) on the main frame (15).

REFERENCES:
patent: 1977817 (1934-10-01), Bird
patent: 2029545 (1936-02-01), Ross
patent: 2160596 (1939-05-01), Le Bleu
patent: 2919142 (1959-12-01), Winget
patent: 3158944 (1964-12-01), Rehberg
patent: 3226858 (1966-01-01), Spannhake
patent: 3238647 (1966-03-01), Hall
patent: 3825074 (1974-07-01), Stedman
patent: 3964803 (1976-06-01), Eftefield
patent: 4031968 (1977-06-01), Krolak
patent: 4074896 (1978-02-01), Eftefield

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