Circle mounting and circle assembly for a motor grader

Details Circle mounting and circle assembly for a motor grader Circle mounting and circle assembly for a motor grader

1978-03-01

1980-01-29

Stouffer, Richard T.

Earth working

Scraper between front and rear ground supports of vehicle

Specific actuator between frame and scraper

74448, 74606R, E02F 376

Patent

active

041857003

ABSTRACT:
An improved motor grader circle mounting and circle assembly has a mounting in which an annular upright wall with an outwardly extending integral top flange and a removable bottom flange form an outwardly open annular cavity. A circle structure of welded arcuate segments is rotatably mounted between the flanges and cooperates with the wall and flanges to form a close annular lubricant chamber, and a segmental internal ring gear is on the circle structure in the cavity. Renewable segmental lower and upper bearing plates are located between bearing surfaces of the circle mounting and the circle; and a lower oil sealing ring is so located as to permit removal of the bottom flange and lowering of the circle structure to replace all the bearing plates and a segmented upper oil seal without draining the lubricant chamber.

REFERENCES:
patent: 299883 (1884-06-01), Wallace
patent: 711991 (1902-10-01), Mason, Jr.
patent: 1190365 (1916-07-01), Arndt
patent: 1325778 (1919-12-01), Borden et al.
patent: 1384623 (1921-07-01), Meredith
patent: 1498809 (1924-06-01), Plunkett
patent: 3557423 (1971-01-01), Wolfe et al.
patent: 3612538 (1971-10-01), Sievenpiper
patent: 3774983 (1973-11-01), Lagally
patent: 3814445 (1974-06-01), Bitzan
patent: 4015669 (1977-04-01), Cole

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