Hydraulic lifting jack having a safety lifting saddle

Details Hydraulic lifting jack having a safety lifting saddle Hydraulic lifting jack having a safety lifting saddle

1979-12-27

1981-09-15

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Hoisting truck

Single throw lever

B66F 504

Patent

active

042892988

ABSTRACT:
A hydraulic lifting jack on wheels, comprising a pair of frame plates, an elevator which is pivotally mounted on the frame plates, a lifting saddle arranged in the free end of the elevator, and a hydraulic power unit for lifting the elevator, the lifting saddle having front and rear stop members on its front and rear ends, the front stop member being adapted to move up and down so that when the elevator is raised, the top of the front stop member is beyond the upper surface of the saddle, and when the elevator is lowered onto the bottom, the top of the front stop member is positioned below the upper surface of the saddle.

REFERENCES:
patent: 2814394 (1957-11-01), Witcher

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