Elevator device transportable in a motor vehicle

Details Elevator device transportable in a motor vehicle Elevator device transportable in a motor vehicle

1988-02-02

1989-02-28

Spar, Robert J.

Material or article handling

Vehicle attached auxiliary carriers

414917, 414921, 414556, B60R 504, B60P 144

Patent

active

048080560

ABSTRACT:
An elevator device insertable into and transportable in a motor vehicle for lifting and lowering heavy loads comprises a base plate, a main frame and an additional frame, and an elevating arrangement positioned between said frames. The elevating arrangement is foldable to vertically stand and lean against the main frame while in non-use position, and unfoldable to lie horizontally on a connecting shaft in a stable use position. Each frame is provided with a parallelogram link mechanism and the elevator arrangement is provided with a pressure air cylinder-piston unit operated to compensate for the weight of the elevator arrangement to enable one to easily place the arrangement to one of said positions.

REFERENCES:
patent: 2091070 (1937-08-01), Girl
patent: 3589537 (1971-06-01), Petersen
patent: 4113121 (1978-09-01), Collins et al.
patent: 4299528 (1981-11-01), Kazeil et al.
patent: 4325668 (1982-04-01), Julian et al.
patent: 4344508 (1982-08-01), Peck
patent: 4671387 (1987-01-01), Bourgeois

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