Elevating device

Details Elevating device Elevating device

1982-03-18

1984-08-21

Rolla, Joseph J.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

182141, B66B 1104

Patent

active

044665091

ABSTRACT:
An elevating apparatus installed on a mobile body such as a crawler-type vehicle or truck comprises at least a pair of middle supporting beams pivotably coupled together by a pivot and unfoldable into an X shape, and two pairs of lower and upper supporting beams slidably supported in the pair of middle supporting beams. The lower and upper supporting beams can be pushed out of and retracted into the middle supporting beams by a hydraulic mechanism for lifting and lowering a lift or platform mounted on the upper supporting beams.

REFERENCES:
patent: 3003746 (1961-10-01), Gridley
patent: 3820631 (1974-06-01), King et al.
patent: 4375248 (1983-03-01), Kishi

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