Fire escape – ladder – or scaffold – Scaffold external of shaft – Horizontally adjustable
Patent
1993-11-15
1994-08-23
Chin-Shue, Alvin C.
Fire escape, ladder, or scaffold
Scaffold external of shaft
Horizontally adjustable
182187, 182223, A01M 3102
Patent
active
053399226
ABSTRACT:
A tree stand (10) for supporting a person such as a hunter or photographer at a selected elevation above the ground by securing the tree stand (10) to the trunk of a tree. The tree stand (10) includes a seat assembly (112) connected to a platform (12), the seat (112) being movable with respect to the platform (12) and the platform (12) being collapsible to reduce its overall length and width. The platform (12) includes a plurality of extendable panels (18) positioned one next to another, each including a plurality of extension sections (20) cooperating one with another in telescoping fashion. Extension locking mechanisms (50) are provided to selectively lock the relative position of each extension section (20) at least within its receiving extension section (20). A securement assembly (80) is provided for securing the platform (12) to a selected tree and includes at least a retaining strap (82) and a tree engagement device (98). A pair of support cables (104) are secured between the retaining strap (82) assembly and the platform second end extension section (20C). The seat assembly (112) includes a seat support member (114) and a seat member (126), the seat member (126) being collapsible into at least a portion of one of the extendable panels (20).
REFERENCES:
patent: 4134474 (1979-01-01), Stavenau et al.
patent: 4445591 (1984-05-01), Mitchell
patent: 4475627 (1984-10-01), Eastridge
patent: 4605097 (1986-08-01), Maxwell
patent: 4782918 (1988-11-01), Brunner et al.
patent: 4995475 (1991-02-01), Berkbuegler
patent: 5105910 (1992-04-01), Engstrom
Bowhunters Discount Warehouse, Inc., 1993 catalog, pp. 114-134.
Benante Richard
Chin-Shue Alvin C.
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