Tractor grader

Details Tractor grader Tractor grader

1977-11-14

1979-07-24

Stouffer, Richard T.

Earth working

Scraper between front and rear ground supports of vehicle

Three or more independently operable scraper actuators

172610, 172796, E02F 376

Patent

active

041619870

ABSTRACT:
A tractor grader in which the tractor is lengthened by forwardly spacing the front wheels and having a grader blade mounted between the front and rear wheels. The blade is mounted on a lower turntable and supported adjacent an upper turntable plate by rollers engaging the lower turntable and supported by the upper plate of the turntable. The turntable plate is mounted on a frame universally pivoted at its forward end to the elongated chassis and at its rear by a pair of spaced lift rams.

REFERENCES:
patent: 160535 (1875-03-01), McCall et al.
patent: 875407 (1907-12-01), Bingaman
patent: 928205 (1909-07-01), Livengood
patent: 2205732 (1940-06-01), Royle
patent: 3042236 (1962-07-01), Pilch
patent: 3131818 (1964-05-01), Allin, Jr.
patent: 3190475 (1965-06-01), Fischer
patent: 3721303 (1973-03-01), Hanser
patent: 3820609 (1974-06-01), Trott
patent: 4061194 (1977-12-01), McCanse
patent: 4074768 (1978-02-01), Stedman

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