Pneumatic lift jack

Details Pneumatic lift jack Pneumatic lift jack

1989-09-18

1990-08-14

Hartman, Judy

Implements or apparatus for applying pushing or pulling force

Fluid pressure

Vehicle attached

B66F 324

Patent

active

049481070

ABSTRACT:
A pneumatic jack comprising flat sheets of an elastomeric material with no cords therein peripherally held in place by rigid framing members. The jack also includes a valve for communicating with the interior of the sheets. A source of aeroform fluid is utilized for inflating the jack to an enlarged shape to lift a car sufficiently for changing a tire.

REFERENCES:
patent: 2610824 (1952-09-01), Grier
patent: 4206902 (1980-07-01), Barthel et al.

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