Fire escape – ladder – or scaffold – Scaffold external of shaft
Patent
1993-07-14
1995-05-09
Chin-shue, Alvin C.
Fire escape, ladder, or scaffold
Scaffold external of shaft
182188, E04G 300
Patent
active
054131928
ABSTRACT:
A tree stand includes a platform attachable to a tree so as to be substantially horizontal and a pivotally connected seat structure. The seat structure includes a first U-shaped member attachable to the tree, and a V-shaped member with its splayed arms pivotally connected to the U-shaped member. A flexible seat material is suspended between the apex of the V-shaped member and the transverse portion of the U-shaped member so as to make a seat conformable to the posterior of the outdoorsman, when seated. The seat element is pleated so as to be bowl-shaped to more naturally conform to the outdoorsman's posterior.
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Woller John A.
Woller Ronald R.
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