Fire escape – ladder – or scaffold – Platform with elevating or lowering means
Patent
1999-03-18
2000-03-14
Chin-Shue, Alvin
Fire escape, ladder, or scaffold
Platform with elevating or lowering means
182116, 43901, A47C 762
Patent
active
060359684
ABSTRACT:
A collapsible hunting stand for supporting a user above a ground surface. The collapsible hunting stand includes a top plate with upper ends of a plurality poles pivotally coupled thereto. A platform is positioned between the poles beneath the top plate. A pulley system connecting the platform to the top plate to permit raising and lowering of the platform.
REFERENCES:
patent: 284360 (1883-09-01), Bauer
patent: 453044 (1891-05-01), Flanders
patent: 3568796 (1971-03-01), Stanhope
patent: 3967694 (1976-07-01), Woolfolk
patent: 4120280 (1978-10-01), Iverson
patent: 4832296 (1989-05-01), Schnepp
patent: 5025715 (1991-06-01), Sir
patent: 5222575 (1993-06-01), Santos
patent: 5301770 (1994-04-01), Regan
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