Motor grader with draw bar and circle support structure

Details Motor grader with draw bar and circle support structure Motor grader with draw bar and circle support structure

1976-10-26

1978-09-12

Stouffer, Richard T.

Earth working

Scraper between front and rear ground supports of vehicle

E02F 376

Patent

active

041130324

ABSTRACT:
A motor grader is provided with a unitary circle drawbar and circle mounting structure in which the drawbar is a box-like beam which increases in width from front to rear, with the rearward portions of the beam top and side plates forming the forward part of the circle mounting structure which also serves as an integral circle drive housing that is fully enclosed except for a forward opening through which a driving connection is made with an internal gear on the circle. The rearward part of the circle mounting structure is semi-annular, is a hollow rectangle in cross-section with an external top flange, and has its front end integrally connected to the drive housing with the lower part of which is defines an outwardly open annular channel in which the circle is rotatably supported.

REFERENCES:
patent: 2128881 (1938-08-01), Iverson
patent: 2646633 (1953-07-01), Jahn
patent: 3101819 (1963-08-01), Shinn
patent: 3470967 (1969-10-01), Page et al.
patent: 3548955 (1970-12-01), Hart
patent: 3722864 (1973-03-01), Borer et al.

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