Rope controller

Details Rope controller Rope controller

1987-11-23

1988-11-29

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Torso harness

Strand-engaging, with descent retarder

188 652, A62B 116, A62B 3500

Patent

active

047874740

ABSTRACT:
A hand operated apparatus is disclosed for controlling, hauling in, paying out or securing a line. The apparatus includes rope engaging cammed surfaces eccentrically mounted for rotation that permit the line to move in one direction but prevents it from moving in the other direction unless lever means, acting against a spring bias, rotate the cam surfaces away from contact with the line permitting the line to run freely through the apparatus.
A fail safe position is provided in that if the lever is clutched too tightly, it will over-travel the line releasing position and engage the line on a second surface of the cam.
As an added feature a mechanism is provided for automatically engaging and disengaging the device from the bite of a line.

REFERENCES:
patent: 259279 (1882-06-01), Rose et al.
patent: 3814210 (1974-06-01), Hoffman
patent: 4217847 (1980-08-01), McCloud
patent: 4546851 (1985-10-01), Brennan
patent: 4560029 (1985-12-01), Dalmaso
patent: 4580658 (1986-04-01), Brda

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