Hydraulic lifting device

Details Hydraulic lifting device Hydraulic lifting device

1980-04-07

1982-05-11

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Multiple lifters

187 85, B66F 300

Patent

active

043289517

ABSTRACT:
A hydraulic lifting jack including a ratchet and pawl stop mechanism which is blocked by an actuating lever pivotally mounted with a generally vertically extending rail adapted to be moved transversely to its longitudinal extension to pivot the actuating lever into and out of locking engagement with the pawl. A hydraulic device may be utilized to actuate the vertical rail.

REFERENCES:
patent: 3985207 (1976-10-01), Petit

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