Fire escape – ladder – or scaffold – Pole or strand grasping-type climber – Alternate grasping
Patent
1998-04-30
1998-12-01
Chin-Shue, Alvin C.
Fire escape, ladder, or scaffold
Pole or strand grasping-type climber
Alternate grasping
182187, A45F 326
Patent
active
058425403
ABSTRACT:
A rotatable tree stand that allows a hunter or wildlife photographer to comfortably and safely shoot or photograph approaching wildlife. The tree stand has two primary components. The first is an upper support which contains the seat structure and an assembly for attaching the seat structure to the tree, comprised of an upper brace and lower brace. The second is a lower support which contains a platform and an assembly for attaching the platform to the tree. The supports engage opposite sides of a tree trunk in offset transverse planes of the trunk, thereby allowing a cantilevering action when the seat structure is occupied allowing the downward force of gravity to act through the braces and in opposing directions against the tree trunk, thereby firmly gripping the tree. The platform is positioned directly below the seat structure, such that, when the user is situated within the seat structure, his feet can rest comfortably on the platform. A tubular frame is attached at its outer side to both the upper and lower brace and is attached, via rollers, on its inner side to a rotatory track. The rollers are disposed within the rotatory track and are attached to the tubular frame. Attached to the inner side of the rotatory track is a seat. The roller and rotatory track assembly allow the user to rotate the seat assembly 360 degrees, allowing the user to face approaching game regardless of the direction.
REFERENCES:
patent: 4069891 (1978-01-01), McClung
patent: 4150733 (1979-04-01), Plummer
patent: 4730699 (1988-03-01), Threlkeld
patent: 4784239 (1988-11-01), Kirkman
patent: 5052516 (1991-10-01), Jamieson
patent: 5275257 (1994-01-01), Robertson
patent: 5348119 (1994-09-01), Filkins
Chin-Shue Alvin C.
Littman Richard C.
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