Lifting device, especially lifting platform for motor vehicles

Details Lifting device, especially lifting platform for motor vehicles Lifting device, especially lifting platform for motor vehicles

2007-04-03

2007-04-03

Lillis, Eileen D. (Department: 3654)

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

C187S203000, C187S210000, C187S213000, C187S274000, C187S414000, C254S08900R, C254S08900R, C092S086500, C092S169100, C092S169300, C060S413000

Reexamination Certificate

active

10926093

ABSTRACT:
A lifting platform for motor vehicles has at least one extendable lifting column that is formed by a tubular jacket and a lifting cylinder unit arranged at least partially therein. The upper end of the lifting cylinder unit supports a load receptacle. The tubular jacket and the lifting cylinder unit are air-tightly connected to one another and form a compressed air storage chamber between the inner wall of the tubular jacket and the outer wall of the lifting cylinder unit. The compressed air storage chamber is provided with a compressed air supply connector and, in the upper end area, with a compressed air outlet connector. The lifting device is preferably an underfloor lifting platform with hydraulic cylinders. A check valve is arranged in the filling direction upstream of the compressed air supply connector.

REFERENCES:
patent: 3053050 (1962-09-01), Sommerer
patent: 200 12 375 (2001-02-01), None
patent: 06042670 (1994-02-01), None

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