Fire escape – ladder – or scaffold – Ladder and platform – Platform with ladder as support
Patent
1993-12-16
1996-07-23
Chin-Shue, Alvin C.
Fire escape, ladder, or scaffold
Ladder and platform
Platform with ladder as support
182187, 182204, A45F 326
Patent
active
055381014
ABSTRACT:
A hunter's tree stand with a platform detachably mounted to an upright mounting bracket which mounts to a tree trunk. A supporting arm pivots about the lower end of the mounting bracket and may be attached at various points long the platform to allow the platform to be leveled. The platform has wing extensions which may be folded around hinges. The platform may be easily removed from the mounting bracket or folded up against the tree. A ladder which may be disassembled for transport, is attachable to the platform. Leveling extensions are provided on the legs of the ladder. An optional seat assembly is provided. An alternative embodiment provides a platform fixed to a ladder member, for use as a ladder stand.
REFERENCES:
patent: 2808975 (1957-10-01), Palmquest
patent: 2888225 (1959-05-01), McQuinn
patent: 3858684 (1975-01-01), Goings
patent: 4009763 (1977-03-01), Hunter
patent: 4579198 (1986-04-01), Lee
patent: 4721183 (1988-01-01), Koniecka
patent: 4727961 (1988-03-01), Dawson
patent: 4802552 (1989-02-01), Williams
patent: 4890694 (1990-01-01), Williams
patent: 5009283 (1991-04-01), Prejean
patent: 5016732 (1991-05-01), Dunn
patent: 5016733 (1991-05-01), Bradley
patent: 5086874 (1992-02-01), Treants
Loc-On Co. Inc., Warren & Sweat, Amacken, & Cabela.
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