Earth working – Scraper between front and rear ground supports of vehicle – Specific actuator between frame and scraper
Patent
1976-06-14
1977-06-28
Stouffer, Richard T.
Earth working
Scraper between front and rear ground supports of vehicle
Specific actuator between frame and scraper
92118, 403143, E02F 376, E02F 385
Patent
active
040319679
ABSTRACT:
A motor grader has a circle which includes integral depending arms at the rear, blade carrying structure is supported forward of the arms on transverse pivots which are at the lower extremities of the arms, and hydraulic cylinder and piston units are supported for limited universal movement in sleeves which are integral with the circle, the pistons of said units being pivotally connected to the blade carrying structure for tilting the latter about the transverse pivots. The cylinder unit supports include flanged collars on the cylinders on which spherical bearings are removably mounted, and bearing sockets in the sleeves consisting of two annular elements which are detachably connected to each other. Flexible dust proofing boots enclose the spherical bearings and sockets; and an interengaging slot and hub restrict rotation of each unit in the sleeve.
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Atherton Robert Allan
Cole Carroll Richard
Caterpillar Tractor Co.
Stouffer Richard T.
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