Fire escape – ladder – or scaffold – Scaffold external of shaft
Patent
1985-07-22
1986-05-20
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Scaffold external of shaft
108152, A01M 3102, A47F 326, A47C 910
Patent
active
045895228
ABSTRACT:
The invention comprises a chair adapted to be used in conjunction with or retrofitted to a tree stand or the like. More particularly, the chair comprises a pair of legs supported in an angled, upright position by means of a pivotable support link. A crossmember maintains the legs in their spaced-apart position. The crossmember is positioned below the upper ends of the legs. The seat portion of the chair of the invention comprises a substantially U-shaped member including a pair of legs. The ends of the legs of the U-shaped member are pivotably connected to the ends of the chair legs, respectively. The back and seating portion of the seat of the invention comprises a length of a flexible material, such as canvas, which member forms a seat portion. The upper end of the flexible member is secured above the height of the chair by means of a rope or the like.
REFERENCES:
patent: 2851085 (1958-09-01), Woodward
patent: 3065821 (1962-11-01), Hundley
patent: 3419108 (1968-12-01), Mobbs
patent: 3730294 (1973-05-01), Thurmond
patent: 3871482 (1975-03-01), Southard
patent: 4120379 (1978-10-01), Carter
patent: 4411335 (1983-10-01), Forrester
patent: 4474265 (1984-10-01), Shinkle
patent: 4475627 (1984-10-01), Eastridge
patent: 4493395 (1985-01-01), Rittenhouse
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