Bulldozer assembly with locking pin and method

Details Bulldozer assembly with locking pin and method Bulldozer assembly with locking pin and method

1976-12-20

1978-01-17

Johnson, Richard J.

Earth working

Processes

172804, 403114, E02F 376

Patent

active

040687210

ABSTRACT:
A bulldozer assembly comprises a C-frame pivotally connected on a forward end of a tractor and a blade universally connected on a forward end of the frame by a ball and socket connection. A pair of laterally spaced push arms have forward ends thereof universally connected to the blade and rearward ends thereof adjustably mounted on the frame for selectively angling the blade relative to the frame. Prior to such angling, a vertically disposed pin is inserted in the ball and socket connected to prevent tipping of the blade relative to the frame.

REFERENCES:
patent: 1404860 (1922-01-01), Kelso
patent: 2927388 (1960-03-01), Skromme
patent: 3002300 (1961-10-01), Turbyfill
patent: 3059356 (1962-10-01), Lorang
patent: 3662838 (1972-05-01), Polzin
patent: 3773116 (1973-11-01), Coontz

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