Fire escape – ladder – or scaffold – Convertible
Patent
1995-11-17
1998-11-24
Chin-Shue, Alvin C.
Fire escape, ladder, or scaffold
Convertible
182116, A01M 3102
Patent
active
058395385
ABSTRACT:
A foldable portable tree stand is comprised of top and bottom ladder sections hinged to each other, a platform rotatably connected to the top ladder section, and double-angle beams pivotally connected to the platform. When the ladder sections are unfolded, the double-angle beams are retained to the top ladder section to support the platform in a working position. A front guard is slidable within the top ladder section to provide a front railing for the platform. Side guards are slidable within the front guard to provide side railings for the platform. Legs are independently slidable within the bottom ladder section to enable the tree stand to accommodate uneven ground. The top ladder section is swingable to overlie the bottom ladder section. The platform can then rotate to a folded position overlying the top ladder section. The double-angle beams are pivotable to a storage mode between wheels mounted to the bottom ladder section. The double-angle beams are further pivotable to a transport mode whereat they are held to the bottom ladder section and serve as handles for transporting the tree stand over the ground.
REFERENCES:
patent: 2388892 (1945-11-01), Wilson
patent: 3282375 (1966-11-01), Ray
patent: 3336999 (1967-08-01), McSwain
patent: 4614252 (1986-09-01), Tarner
patent: 5064020 (1991-11-01), Eagleson
patent: 5105908 (1992-04-01), Freund
patent: 5564524 (1996-10-01), Thaggard
Cayen Donald
Chin-Shue Alvin C.
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