Transportable fluid jack

Details Transportable fluid jack Transportable fluid jack

1991-02-08

1992-06-16

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Hoisting truck

Platform type

B66F 324

Patent

active

051219000

ABSTRACT:
A transportable fluid pressure operated lifting jack comprises a load platform and a base platform with a bellows type fluid pressure expandable air bag secured between the platforms. A self-contained source of fluid pressure is supported on the jack and is selectively communicated with the air bag to raise the load platform and an object it supports, or is selectively exhausted to lower the load platform and the object is supports. Vertical guide bars extend between the load and base platforms and guide the upward, vertical movement of the load platform relative to the base platform.

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patent: 4560145 (1985-12-01), Widmer
patent: 4605203 (1986-08-01), Hooper et al.

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