Fire escape – ladder – or scaffold – Pole or strand grasping-type climber – Foot- or leg-attachable
Patent
1977-12-02
1979-02-06
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Pole or strand grasping-type climber
Foot- or leg-attachable
182187, 182136, A47C 910, A63B 2702
Patent
active
041379950
ABSTRACT:
A pole climbing apparatus for use in installation and repair of telephone lines and the like comprising an upper work platform and a lower climbing platform wherein the upper work platform includes an upper base plate for positioning substantially horizontally against a pole having a first upper pole engaging element formed on the inner portion thereof and a second upper pole engaging element coupled to the upper base plate by an upper interconnecting element comprising a pair of substantially parallel upper interconnecting members extending from the midportion of opposite sides of the upper base plate to opposite sides of the second upper pole engaging element and the lower climbing platform includes a lower base plate for positioning substantially horizontally against the pole below the upper work platform having a first lower pole engaging element formed on the inner portion of the lower base plate and a second lower pole engaging element coupled to the lower base plate by a lower interconnecting element comprising a pair of substantially parallel lower interconnecting members extending from the mid-portion of opposite sides of the lower base plate to opposite sides of the second lower pole engaging element, the lower climbing platform further including feet engaging elements formed on the lower base plate to secure the operator's feet thereto whereby the operator stands up on the lower climbing platform raising the upper work platform with his arms to separate the upper work platform and lower climbing platform relative to each other and then while seated on the upper work platform raises his feet lifting the lower climbing platform toward the upper work platform successively to adjust the elevation of the upper work platform relative to the pole.
REFERENCES:
patent: 3485320 (1969-12-01), Jones
patent: 3856111 (1974-12-01), Baker
patent: 3944022 (1976-03-01), Ming
patent: 3960240 (1976-06-01), Cotton
Fisher, III Arthur W.
Machado Reinaldo P.
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