Controlled descent device

Details Controlled descent device Controlled descent device

1989-12-27

1991-10-15

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Torso harness

Strand-engaging, with descent retarder

182191, A62B 102, A62B 3500

Patent

active

050566199

ABSTRACT:
A controlled descent device is disclosed, including an elongate guide assembly that has an upper portion, a lower portion and a generally helical track that extends from the upper portion to the lower portion. A carriage includes a primary bearing that is engaged with and movable within the track. A harness is secured to the carriage and the carriage is descendible along the track to lower a person fastened in the harness from the upper portion of the guide assembly to the lower portion thereof.

REFERENCES:
patent: 87143 (1869-02-01), Chamberlain
patent: 647980 (1900-04-01), Morrison et al.
patent: 661716 (1900-11-01), Gary
patent: 1026650 (1912-05-01), Bloom
patent: 1161255 (1915-11-01), Schnitzer
patent: 2970523 (1961-02-01), Schurger
patent: 3944021 (1976-03-01), Smith

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