Method and device for ascending along a rope

Details Method and device for ascending along a rope Method and device for ascending along a rope

1992-09-17

1995-03-28

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Pole or strand grasping-type climber

182 5, A63B 2700

Patent

active

054008697

ABSTRACT:
A device for ascending along a rope comprises a pair of ascenders and a leg loop in the form of a pedal cooperating with a cord passing over two pulleys to form a tackle device authorizing a gearing down effect of the effort exerted on the leg loop. The effort required for an ascending step corresponds to two thirds of the weight of the climber, whereas the leg travel when moving from the standing position to the sitting position is about one and a half times the distance of an ascending step.

REFERENCES:
patent: 1650281 (1927-11-01), Knudson
patent: 1890992 (1932-12-01), Janssen
patent: 1921627 (1933-08-01), Lucchesi
patent: 3112816 (1963-12-01), Halford

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