Motor grader and positioning mechanism for drawbar thereof

Details Motor grader and positioning mechanism for drawbar thereof Motor grader and positioning mechanism for drawbar thereof

1979-06-18

1981-01-27

Stouffer, Richard T.

Earth working

Scraper between front and rear ground supports of vehicle

Actuator for bodily shifting scraper subframe draft connection

172793, E02F 376

Patent

active

042469724

ABSTRACT:
A blade positioning mechanism for a motor grader that permits the blade ends to be raised or lowered independently of each other or together through a pair of hydraulic cylinders universally gimballed in independent locking bell cranks. The mechanism also allows the blade to be shifted to either side of the vehicle and into a substantially vertical position.

REFERENCES:
patent: 2655743 (1953-10-01), Ross
patent: 3038268 (1962-06-01), Vivier
patent: 3454110 (1969-07-01), Hanser
patent: 3739861 (1973-06-01), Johnson et al.
patent: 3986563 (1976-10-01), Stubben
patent: 4108251 (1978-08-01), Rathje et al.

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