Hydraulic lift perfected for the lifting and maneuvering of heav

Details Hydraulic lift perfected for the lifting and maneuvering of heav Hydraulic lift perfected for the lifting and maneuvering of heav

1990-07-06

1991-09-17

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Fluid pressure

Vehicle attached

B66F 324

Patent

active

050487949

ABSTRACT:
A hydraulic jack useful in both a horizontal position and a vertical position is disclosed. The jack has a fixed support shoe and a moveable lifting lug which are perpendicularly connected to a column which houses a hydraulically moveable sliding shaft. Hydraulic fluid is stored in a flexible bottle and is fed to a hydraulic pump housed inside a rigid tank, the interior of which constantly communicates with the surrounding atmosphere. The positioning of the flexible bottle with respect to the pump and the communication with the surrounding atmosphere enables the pump to be permanently primed regardless of its orientation.

REFERENCES:
patent: 2352390 (1944-06-01), Kirkland
patent: 2527428 (1950-10-01), Kemerer
patent: 4443001 (1984-04-01), Haerer
patent: 4886244 (1989-12-01), Renault

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