Fire escape – ladder – or scaffold – Torso harness – Strand-engaging – with descent retarder
Patent
1977-07-13
1978-07-25
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Torso harness
Strand-engaging, with descent retarder
188 655, A62B 114
Patent
active
041024311
ABSTRACT:
An emergency personnel lowering apparatus having a stowage bag including a lowering line stowed in a plurality of hanks within the bag. A lowering control mechanism and an attachment line are positioned within the bag adjacent the lowering line. A portion of the attachment line extends out of the bag and forms a pull loop. The lowering control mechanism includes an adjustable descent control mechanism which controls the area of contact between different portions of the lowering line to control the rate of descent. Plural paths are provided for the lowering line in the descent control mechanism to adapt the system for different loads. A brake mechanism is provided to stop descent if the person on the line becomes incapable of self protection on the ground.
REFERENCES:
patent: 542641 (1895-07-01), Hembacher
patent: 586173 (1897-07-01), Frahm
patent: 933685 (1909-09-01), Wray
patent: 946588 (1910-01-01), Thuener
patent: 1463149 (1923-07-01), Barthelemy
patent: 3419236 (1968-12-01), Weber
Carroll Charles E.
Hobbs William H.
Killoren Richard J.
Machado Reinaldo P.
Rusz Joseph E.
The United States of America as represented by the Secretary of
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