Fire escape – ladder – or scaffold – Scaffold external of shaft
Patent
1976-02-11
1978-01-24
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Scaffold external of shaft
A47C 910
Patent
active
040698912
ABSTRACT:
An observation stand used primarily for hunting deer, the stand including a supporting frame which is attached around a tree to provide a pair of vertically aligned trunions. The trunions receive a rotatable housing which can be manipulated by a person's foot. The housing also includes removeable panels, the upper panels being transparent.
REFERENCES:
patent: 1092096 (1914-03-01), Donigan
patent: 2867853 (1959-01-01), Lindgren
patent: 3358789 (1967-12-01), Laun
patent: 3396818 (1968-08-01), Moragne
patent: 3485320 (1969-12-01), Jones
patent: 3695390 (1972-10-01), Leigh
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