Jacking device

Details Jacking device Jacking device

1977-07-25

1979-03-13

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Fluid pressure

Vehicle attached

B66F 324

Patent

active

041438540

ABSTRACT:
A fluid jacking device which includes a multiwall pressure and fluid-tight envelope provided with fabric reinforcements and enclosing a volume which changes when the internal pressure is varied, and a connector fitted into the envelope for joining its interior to a pressure supply. The envelope consists of at least one pair of possibly specially strengthened panels made of at least one ply of a flexible high strength material. The panels of each pair are integrally joined together at least one edge by lapping the plies with the possible provision of at least one reinforcing strip applied to the joint.

REFERENCES:
patent: RE24272 (1957-02-01), Albee
patent: 1752101 (1930-03-01), Meutsch
patent: 2495092 (1950-01-01), Cox et al.
patent: 2990166 (1961-06-01), Walsh
patent: 3305217 (1967-02-01), Wijgergangs

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