All-air vehicle lifting jack

Details All-air vehicle lifting jack All-air vehicle lifting jack

2011-07-12

2011-07-12

Hall, III, Joseph J (Department: 3723)

Implements or apparatus for applying pushing or pulling force

Fluid pressure

Vehicle attached

C254S0930VA, C254S0930HP

Reexamination Certificate

active

07975986

ABSTRACT:
Disclosed is an all-air jack for lifting a vehicle, comprising: a frame assembly; a first bellow at an upper portion of the frame assembly; a second bellow at a lower portion of the frame assembly; an air bellow attachment plate positioned between the first and second bellows; an air supply with a first and second air tube, the first air tube in communication with the first bellows and the second air tube in communication with the second bellows; wherein inflation of the bellows raises the jack to lift the vehicle. The first and second air tubes and air supply are connectable by a 3-way air valve. Preferably, 120 psi of air is used to inflate the bellows.

REFERENCES:
patent: 2804118 (1957-08-01), Bayerkohler
patent: 3015470 (1962-01-01), Patchen
patent: 4817412 (1989-04-01), Hinson

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