Self-raising cantilever-type work platform assembly

Details Self-raising cantilever-type work platform assembly Self-raising cantilever-type work platform assembly

1991-10-15

1993-11-09

Chotkowski, Karen J.

Fire escape, ladder, or scaffold

Platform with elevating or lowering means

Suspended

182 82, E04G 120

Patent

active

052594793

ABSTRACT:
The self-raising work platform assembly is of the cantilever type in that it comprises a single tower, a sleeve surrounding and guided along said tower for up-and-down movement, power-operated raising means for said sleeve and a pair of horizontally-extending cantilever work platforms attached to said sleeve on opposite sides thereof. A second pair of oppositely-extending work platforms are disposed above the first pair and guy wires interconnect the work platforms.

REFERENCES:
patent: 279740 (1883-06-01), Gillett
patent: 3197178 (1965-07-01), Nietz
patent: 3318414 (1967-05-01), Meek
patent: 3323616 (1967-06-01), Best
patent: 3908801 (1975-09-01), Pohlman
patent: 4418791 (1983-12-01), Frey-Wigger
patent: 4809814 (1989-03-01), St. Germain
patent: 5067587 (1991-11-01), Mims, Jr. et al.

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