Portable material lift

Details Portable material lift Portable material lift

1975-06-30

1976-05-18

Blunk, Evon C.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 1R, 187 2, B66B 920

Patent

active

039571378

ABSTRACT:
A portable material lift comprising a base and a vertical post supported thereon, which post is formed of a plurality of sections coupled together, a pulley housing at the top of the vertical post for supporting a pulley, a winch supported on the post between the pulley housing and base, a load supporting platform slideably supported on the post, a cable connected to the winch and extending over the pulley and connected to the platform for moving said platform with a load vertically with respect to said post, and an outrigger secured to the base to extend laterally of said base.

REFERENCES:
patent: 182380 (1876-09-01), Miller
patent: 453457 (1891-06-01), Albro
patent: 1799307 (1931-04-01), Manley
patent: 2196634 (1940-04-01), Kuert
patent: 3312432 (1967-04-01), Pfeiffer et al.
patent: 3385401 (1968-05-01), Campbell et al.
patent: 3587892 (1971-06-01), Vermette
patent: 3752261 (1973-08-01), Bushnell
patent: 3807575 (1974-04-01), Merrick

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