Building safety rescue device

Details Building safety rescue device Building safety rescue device

1986-04-29

1987-12-22

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Single stile, strand or pole

Flexible

182235, 182240, 188 651, A62B 114

Patent

active

047141379

ABSTRACT:
A building safety survival rescue cable device includes a large pulley having two pulley halves which are biased toward each other for guiding the rescue device over a cable that is strung from a building. The inner surface of each pulley half is provided with a rough, file-like texture so as to increase friction between the pulley and the cable.

REFERENCES:
patent: 279744 (1883-06-01), Greene
patent: 338750 (1886-03-01), Johnson
patent: 380173 (1888-03-01), Bovensiep
patent: 612673 (1898-10-01), Reidy et al.
patent: 1241701 (1917-10-01), Bencur
patent: 4580658 (1986-04-01), Brda

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