Pneumatic lift device

Details Pneumatic lift device Pneumatic lift device

2005-08-16

2005-08-16

Wilson, Lee D. (Department: 3723)

Implements or apparatus for applying pushing or pulling force

Fluid pressure

Vehicle attached

C254S00200C, C254S0930HP, C254S0930VA

Reexamination Certificate

active

06929249

ABSTRACT:
A pneumatic lift device that has a lift unit and an activatable air supply connected to the lift unit with the lift unit having a substantially rectangular base with four sides and a substantially rectangular lift platform connected to the base by a hinge mechanism that includes four foldable side panels connected to the four sides of the base and lift platform with the lift unit having an expandable bladder between the base and lift platform, wherein on expanding the bladder with pressurized air from the air supply, the lift platform rises from the base.

REFERENCES:
patent: 3843092 (1974-10-01), Oehler
patent: 6092788 (2000-07-01), Simon
patent: 6199827 (2001-03-01), Rimington et al.
patent: 6286812 (2001-09-01), Cherry
patent: 6513418 (2003-02-01), Simmons et al.

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