Safety lowering device

Details Safety lowering device Safety lowering device

1982-06-01

1985-01-15

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Torso harness

Strand-engaging, with descent retarder

182 7, 188 652, A62B 116

Patent

active

044933916

ABSTRACT:
A self-contained safety device for self-lowering a person comprises an elongated high-strength safety webbing to support a person and a reel for releasably housing said webbing. The device comprises a generally figure 8 shaped member having two aligned apertures, a seat comprising a non-slip buckle means and two elongated seat webbings to form a big hole and one-half of waste hole. A friction knot is formed by passing the safety webbing through one aperture of the figure 8 member, said friction knot being manipulatable to extend the webbing at a controlled rate, and means at the free end of the safety webbing for anchoring the webb during lowering of the person.

REFERENCES:
patent: 316870 (1889-04-01), Brawnfeld
patent: 785019 (1905-03-01), Parker
patent: 1149394 (1915-08-01), Morrissey
patent: 1351734 (1920-09-01), Barrington
patent: 1631279 (1927-06-01), Mandy
patent: 1746742 (1930-02-01), Roberts
patent: 4372422 (1983-02-01), Sharp

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