Lifting device

Details Lifting device Lifting device

1989-08-18

1990-09-18

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 19, 187 20, 187 95, 104127, 182 2, 414595, B66B 906

Patent

active

049571893

ABSTRACT:
A lifting device which includes an outer rail composed of an outer vertical section, and an outer inclined section, an outer horizontal section; an inner rail composed of an inner vertical section, an inner inclined section, and an inner horizontal section; the outer and inner rails forming a railway; a carrier having four rollers fitted between the outer and inner rails; and the relationship between the rollers and the railway being such that the carrier keeps a constant posture while it is being guided along the railway.

REFERENCES:
patent: 500992 (1893-07-01), Carr
patent: 2588959 (1952-03-01), Campbell
patent: 4183423 (1980-01-01), Lewis
patent: 4257491 (1981-03-01), Presnall, Jr. et al.
patent: 4821845 (1989-04-01), DeViaris

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