Elevating apparatus

Details Elevating apparatus Elevating apparatus

1983-07-18

1985-07-16

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

187 9R, 182 41, 182141, 52121, B66B 920

Patent

active

045290636

ABSTRACT:
An elevating apparatus comprises a substantially horizontal base, a longitudinally extensible mast mechanism mounted vertically on the base, a wire guide mechanism mounted on the mast mechanism and having a pair of pulleys rotatable synchronously in opposite directions, a work platform supported on the wire guide mechanism, and a pair of wires extending across the mast mechanism and having one ends fixed to the base respectively at spaced positions thereon, the wires being wound around the pulleys, respectively. The elevating apparatus also includes a pair of wire tensioners mounted on the base respectively at spaced positions thereon for longitudinally tensioning the wires, respectively, in opposite directions.

REFERENCES:
patent: 2166479 (1939-07-01), Ruddock
patent: 3033529 (1962-05-01), Pierrat
patent: 3752261 (1973-08-01), Bushnell
patent: 4083510 (1978-04-01), Gomez
patent: 4427093 (1984-01-01), Wehmeyer et al.

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