Fire escape – ladder – or scaffold – Scaffold external of shaft
Patent
1992-08-28
1994-01-18
Chotkowski, Karen J.
Fire escape, ladder, or scaffold
Scaffold external of shaft
182116, A01M 3100
Patent
active
052793907
ABSTRACT:
The present invention provides an improved tree stand. The tree stand has a frame with a horizontally extending seat platform and at least one leg extending from the frame for partially supporting the platform in an elevated position against a tree, post, or the like. A V-shaped spike bar having a plurality of spikes extends from one side of the platform for engaging the tree. At least one locking arm having at least one spike formed therein is pivotally connected at one end to the side of the platform for engaging the tree. A rope or cable is connected to the other end of the locking arm. A roping dowel extends from the opposite side of the platform. In use, the tree stand is assembled and positioned against a tree, pole, or the like. The rope or cable is whipped to cause the spike on the locking arm to engage the tree and the rope or cable is looped about the roping dowel. The spike on the locking arm and the plurality of spikes on the V-shaped spike bar engage the tree to provide opposed locking forces on the tree. The rope is walked around the tree and securely tied so that the tree stand is ready for use.
REFERENCES:
patent: 3282375 (1966-11-01), Ray
patent: 3485320 (1969-12-01), Jones
patent: 4100999 (1978-07-01), Conner
patent: 4257490 (1981-03-01), Bandy
patent: 4331216 (1982-05-01), Amacker
patent: 4552246 (1985-11-01), Thomas
patent: 4552247 (1985-11-01), Purdy
patent: 4742888 (1988-05-01), Amacker
patent: 4787476 (1988-11-01), Lee
patent: 5105908 (1992-04-01), Freund
Dick Davis, "Ambusher deer stand--portable, comfortable," reprinted from article appearing in Sportsman's Paradise, Alexandria, La., Oct. 1984, regarding earlier design for a tree stand.
Brochure for "Ambusher Auto-Lock Pole Stand" published by Ambusher, Inc., Texarkana, Tex., regarding earlier design for a tree stand.
Brochure for "Ambusher Auto-Lock Pole Stand" published by W. C. Phillips, Texarkana, Tex., regarding earlier design for a tree stand.
"Operating Instructions" for Ambusher Auto-Lock Pole Stand published in Mar. 1986 regarding earlier design for a tree stand.
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