Earth working – Scraper between front and rear ground supports of vehicle – Specific actuator between frame and scraper
Patent
1975-04-23
1976-12-28
Stouffer, Richard T.
Earth working
Scraper between front and rear ground supports of vehicle
Specific actuator between frame and scraper
172742, E02F 376, E02F 385
Patent
active
039996158
ABSTRACT:
A control system for circle mounted motor grader blades to enable adjustment of the circle and blade supported thereby about the axis of the circle is disclosed. The system includes a circle holding mechanism for reducing wear between the circle and the mounting structure therefor, which circle holding mechanism also automatically compensates for inaccuracies in operation due to such wear and to the tolerances between the circle and the mounting structure required to facilitate adjustments in the relative positioning thereof. This circle holding mechanism includes a wedge device which forces the circle into a shoe element to hold the circle in fixed relationship with respect to the mounting structure therefor.
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Hart Francis H.
Higar Carl A.
Caterpillar Tractor Co.
Stouffer Richard T.
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