Hydraulic rotator and valve assembly

Details Hydraulic rotator and valve assembly Hydraulic rotator and valve assembly

2006-12-26

2006-12-26

Look, Edward K. (Department: 3745)

Expansible chamber devices

Fluid conduit in constant communication with relatively...

Reexamination Certificate

active

07152519

ABSTRACT:
A motor-driven hydraulic rotator assembly for use on articulated-boom excavating equipment, or the like, for rotating and actuating an operable attachment. The rotator assembly comprises concentric tubular oil distribution channels located within the load-bearing shaft and drive assembly. In a preferred embodiment, the motor comprises a hydraulic pressure relief valve to decrease a low pressure side of the motor.

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