Fire escape – ladder – or scaffold – Scaffold external of shaft
Patent
1991-03-22
1992-02-25
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Scaffold external of shaft
108152, A01M 3102
Patent
active
050905066
ABSTRACT:
A hunter's tree stand which is adjustable to fit tree trunks of various diameters including a platform for supporting a hunter in the standing or sitting position, the platform having a rear edge for gripping a tree trunk, a pair of frame members for straddling a tree trunk connected to the platform, a blade member for gripping a tree trunk, and a rod for moving the blade member away from and toward a tree trunk, the rod being connected to the frame members and the blade member.
REFERENCES:
patent: 1187078 (1916-06-01), May
patent: 2991842 (1961-07-01), Hardin
patent: 3460649 (1969-08-01), Baker et al.
patent: 3485320 (1969-12-01), Jones
patent: 3885649 (1975-05-01), Dameron
patent: 4321982 (1982-03-01), Strickland
patent: 4726447 (1988-02-01), Gibson
patent: 4995475 (1991-02-01), Berkbuegler
patent: 4997063 (1991-03-01), Bradley
McGuffee Renard R.
Womack Cleve W.
Machado Reinaldo P.
Ray David L.
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