Motor grader with detachable link for reduced blade angle operat

Details Motor grader with detachable link for reduced blade angle operat Motor grader with detachable link for reduced blade angle operat

1976-06-21

1978-01-31

Stouffer, Richard T.

Earth working

Scraper between front and rear ground supports of vehicle

Specific actuator between frame and scraper

92 1341, E02F 376

Patent

active

040710912

ABSTRACT:
The invention is concerned with an improvement in a motor grader which comprises a powered vehicle having a main grader frame extending forwardly therefrom, the frame being supported adjacent its forwardmost end by ground engaging wheels, a circle drawbar mounted below the frame intermediate a power unit for the vehicle and the ground engaging wheels, a circle member mounted below the circle drawbar, gear wheels for rotating the circle member relative to the circle drawbar, a blade mounted to the circle member and therebelow, a first hydraulic cylinder rotatably mounted at a first end thereof adjacent the frame and at a second end thereof adjacent a periphery of the circle drawbar, and a pair of second hydraulic cylinders rotatably mounted adjacent a first end thereof adjacent the periphery of the drawbar and adjacent a second end thereof adjacent the frame. The improvement of the invention allows operation of the motor grader at a reduced bank cut angle of the blade to a surface being graded. The improvement comprises a replaceable link attachable in line with the first cylinder to extend the length thereof, the link being removable to allow the blade to be rotated beneath the frame from a first side of the motor grader to a second side thereof.

REFERENCES:
patent: 2976844 (1961-03-01), Goldring
patent: 3168014 (1965-02-01), Aslan
patent: 3548955 (1970-12-01), Hart
patent: 3550692 (1970-12-01), Hart
patent: 3739861 (1973-06-01), Johnson et al.

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