Roping-down device

Details Roping-down device Roping-down device

1990-03-22

1992-01-28

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Torso harness

Attached to strand wound on reel, and means for retarding...

182238, 182241, A62B 108

Patent

active

050836331

ABSTRACT:
The device for roping down includes a shaft 2 with a central portion which forms a reel 5 for coiling up band rope 6. The two end sections of shaft 2 form brake rotors 9 and 10, which are equipped with wings 11. The wings 11, which rotate during the uncoiling of the band rope operate in brake chambers 31 enclosed by brake housings 12 and 13, these brake chambers being partly or completely filled with sand.
In case of roping down, braking devices 7 and 8 operate automatically and produce a comparatively high braking power which heavily increases as the rate of descending increases. Thus, a constant roping-down rate as a function of the respective load is achieved which rate is used for a safe impact on the ground.

REFERENCES:
patent: 456282 (1891-07-01), Athey
patent: 612673 (1898-10-01), Naughton
patent: 722648 (1903-03-01), Royse
patent: 1144702 (1915-06-01), Forest
patent: 2576755 (1951-11-01), Gaskins
patent: 4523664 (1985-06-01), Soubry
patent: 4554997 (1985-11-01), Sheu
patent: 4867276 (1989-09-01), Tamietti

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