Lifting apparatus

Details Lifting apparatus Lifting apparatus

1980-12-31

1983-03-01

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

043752489

ABSTRACT:
A lifting apparatus comprising a basic support, a link-mechanism of the pantograph type extensively supported on the support, a platform provided on the link-mechanism, and driving devices actuated by hydraulic pressure to stretch the link-mechanism upwards. Each of the driving devices is comprised of a hydraulic cylinder, guiding members provided on opposite ends of the hydraulic cylinder, and a flexible connecting member. Both ends of the connecting member are connected respectively to upper and lower link levers of the link-mechanism, with the connecting member being in contact with the guiding member. Thus, the extension movement of the cylinder is transmitted to the link levers by the connecting member to stretch the link-mechanism of the pantograph type.

REFERENCES:
patent: 2156204 (1939-04-01), Stolze
patent: 3299983 (1967-01-01), Hubbard
patent: 4088203 (1978-05-01), Smith, Jr.
patent: 4175644 (1979-12-01), Sikli

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