Fire escape – ladder – or scaffold – Ladder and platform – Platform with ladder as support
Patent
1992-09-08
1993-12-07
Chin-Shue, Alvin C.
Fire escape, ladder, or scaffold
Ladder and platform
Platform with ladder as support
182187, 182129, 182163, A45F 326, A01M 3102
Patent
active
052676323
ABSTRACT:
An apparatus including a plurality of sections arranged for interfolding relative to one another having a platform at an upper end of the sections and a support base at a lower end of the sections arranged for compact interfolding during periods of non-use and permitting extension for access to upper portions of a tree, to include an integral ladder and stand arrangement.
REFERENCES:
patent: 3282372 (1966-11-01), Ray
patent: 3517772 (1970-06-01), Weis et al.
patent: 4614252 (1986-09-01), Tarner
patent: 4730699 (1988-03-01), Threkeld
patent: 4742888 (1988-05-01), Amacrer
patent: 4787478 (1989-11-01), Lee
patent: 5064020 (1991-11-01), Eaglesor
patent: 5105908 (1992-04-01), Freund
Chin-Shue Alvin C.
Gilden Leon
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