Fire escape – ladder – or scaffold – Scaffold external of shaft
Patent
1994-11-10
1995-09-19
Chin-Shue, Alvin C.
Fire escape, ladder, or scaffold
Scaffold external of shaft
182188, A01M 3102
Patent
active
054509270
ABSTRACT:
It is an object of the present invention to provide a new and improved portable seat for use in the outdoors comprising an elongated lower support member having a first end, a second end, a top surface, and a bottom surface. A triangular securement member has an upper portion, a lower portion, a base end and an apex end, the apex end of the securement member being integral with the first end of the lower support member. The upper portion of the securement member includes a first leg and a second leg, and a slot formed within the base end of the securement member. An elongated upper support has a first end and a second end, a top surface and a bottom surface. A back rest has a first end, a second end, a top surface and a bottom surface, the top surface of the back rest being secured to the second end bottom surface of upper support. A connecting element has a first end, a second end, a top surface and a bottom surface, the second end of the connecting element being integral with the first end of the upper support, the first end of the connecting element pivotally connected in between the first and second legs of the triangular securement member. A circular seat has a top surface and a bottom surface, the bottom surface of circular seat being rotatably connected to the top surface of the lower support. A strap has a first end and a second end and an intermediate extent therebetween, the intermediate extent of the strap extending through the slot of the securement member, the strap functioning to secure the portable seat to a tree.
REFERENCES:
patent: 3358789 (1967-12-01), Laun
patent: 4721183 (1988-01-01), Koniecka
patent: 4727961 (1988-03-01), Dawson
patent: 5105910 (1992-04-01), Engstrom
patent: 5131496 (1992-07-01), White
Harton Jeremy L.
Harton Kathryn B.
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