Motor grader having improved guide shoes for circle-mounted impl

Details Motor grader having improved guide shoes for circle-mounted impl Motor grader having improved guide shoes for circle-mounted impl

1975-04-24

1977-04-12

Stouffer, Richard T.

Earth working

Scraper between front and rear ground supports of vehicle

Specific actuator between frame and scraper

91461, 172793, E02F 376

Patent

active

040169367

ABSTRACT:
A motor grader including a wheeled main frame and a drawbar structure attached thereto is disclosed wherein a circle-mounted working implement, such as a blade or the like, is supported on the drawbar by improved guide shoes. The improved guide shoes include surfaces in engagement with both upper and lower surfaces of the circle at all times and remotely controlled mechanical apparatus for varying the frictional forces exerted by such guide shoes on the circle, whereby undesirable effects due to wearing of the engaging surfaces in operation are reduced.

REFERENCES:
patent: 1841403 (1932-01-01), Dean
patent: 2034141 (1936-03-01), Gustafson
patent: 2189344 (1940-02-01), Gustafson
patent: 2247464 (1941-07-01), Arndt
patent: 2258890 (1941-10-01), Gustafson
patent: 2278806 (1942-04-01), Tilton
patent: 2961783 (1960-11-01), Bowen et al.
patent: 3060688 (1962-10-01), Gondek
patent: 3220318 (1965-11-01), McGuire
patent: 3593806 (1971-07-01), Gurries

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