Circle drive arrangement for motor grader

Details Circle drive arrangement for motor grader Circle drive arrangement for motor grader

2011-01-25

2011-01-25

Will, Thomas B (Department: 3671)

Earth working

Scraper between front and rear ground supports of vehicle

Specific actuator between frame and scraper

Reexamination Certificate

active

07874377

ABSTRACT:
A motor grader is equipped with a circle drive arrangement including a variable displacement motor capable of operating at a high speed for driving the circle at a high speed, as when the blade is elevated above the ground and the grader is turning around for reversing the operation of the blade, and capable of operating at a high torque for driving the circle to change the angle of operation of the blade relative to the grader frame when the blade is in ground contact.

REFERENCES:
patent: 2159245 (1939-05-01), Benedek
patent: 2195306 (1940-03-01), Henry et al.
patent: 2323108 (1943-06-01), Arndt
patent: 2404127 (1946-07-01), Ernst
patent: 3675724 (1972-07-01), Schneider
patent: 3762481 (1973-10-01), Allen et al.
patent: 6176085 (2001-01-01), Kirakos-Shirvanyan
patent: 6537047 (2003-03-01), Walker
patent: 7575068 (2009-08-01), Stubben et al.

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