Fire escape – ladder – or scaffold – Convertible
Patent
1975-05-09
1976-03-16
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Convertible
182135, 182187, 224 9, A47C 910
Patent
active
039440222
ABSTRACT:
A tree-climbing platform has a stand portion of rigid sheet material and a pair of tubular runners secured to either side of the stand spaced thereabove. The tree-contacting end of the stand has a V-notch at the center and projecting teeth formed in plates secured to the stand along the sides of the notch. The runners project beyond this end and a crossbar having a toothed plate secured to the center thereof is adjustably and removably secured at each end to the runners. Stirrups for the feet of the climber are secured to the stand adjacent the V-notch and a seat of fabric belting looped around the runners is provided above the stirrups. Back-pack straps are removably secured to the under side of the stand and pads are provided for being secured looped around the toothed plates at the V-notch when the platform is backpacked. A hand climber accessory for the platform comprises a tubular handle and a rope adapted to be secured to one end of the handle, then passed around a tree and wound in several turns around the other end of the handle.
REFERENCES:
patent: 3352379 (1967-11-01), Riggs
patent: 3353629 (1967-11-01), Brunes
patent: 3368725 (1968-02-01), Martin
patent: 3460649 (1969-12-01), Baker
patent: 3485320 (1969-12-01), Jones
patent: 3730294 (1973-05-01), Thurmond
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