Fire escape – ladder – or scaffold – Scaffold external of shaft
Patent
1994-06-14
1995-10-17
Chin-Shue, Alvin C.
Fire escape, ladder, or scaffold
Scaffold external of shaft
182188, A45F 326
Patent
active
054582156
ABSTRACT:
A tree stand leveler comprising a sleeve having a base end and a tip end; at least one adjustable mounting bracket coupled across the sleeve and adapted for securing a tree stand thereupon; a T-shaped extension rail having a cross leg with an base leg extended therefrom and adjustably coupled to the sleeve; and a coupling mechanism for adjustably coupling the cross leg of the extension rail to a tree; whereby adjustment of the mounting bracket, sleeve, and coupling means enable a tree stand to be leveled.
REFERENCES:
patent: 3664460 (1972-05-01), Zdroik
patent: 4819763 (1989-04-01), Grote
patent: 4942942 (1990-07-01), Bradley
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