Collapsible mobile base for cable hoists

Details Collapsible mobile base for cable hoists Collapsible mobile base for cable hoists

1990-12-03

1992-02-25

Matecki, Katherine

Implements or apparatus for applying pushing or pulling force

Apparatus for hauling or hoisting load, including driven...

Device includes rotatably driven, cable contacting drum

254387, B66D 300

Patent

active

050906674

ABSTRACT:
A portable cable hoist mechanism is provided which incorporates a wheel mounted base structure having base legs that are capable of being unlocked and folded or otherwise moved to an out-of-the-way position for storage or handling. The base forms a framework to which the extendible base legs are movably secured. Latch members fixed to each of the base legs are projected through latch receptacles in the base framework when the base legs are fully extended. Locking elements establish locking engagement with the respective latch elements to secure the base legs at the extended positions thereof.

REFERENCES:
patent: 1316239 (1919-09-01), Hogander
patent: 2120637 (1938-06-01), Van Doorne
patent: 2544220 (1951-03-01), Concklin
patent: 2711803 (1955-06-01), Hurst
patent: 2808160 (1957-10-01), La Londe
patent: 2812951 (1957-11-01), Hanson
patent: 2877047 (1959-03-01), Weil
patent: 2983474 (1961-05-01), Hanna
patent: 3223199 (1965-12-01), Schwehr
patent: 3241852 (1966-03-01), Muller et al.
patent: 3704799 (1972-12-01), Morris, Jr.
patent: 3794296 (1974-02-01), Hasstedt
patent: 4917392 (1990-04-01), Ambasz

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