Safety device

Details Safety device Safety device

1977-11-25

1979-03-20

Husar, Francis S.

Implements or apparatus for applying pushing or pulling force

Step-by-step traveling bar

Pawl actuated

182 3, A62B 108, B66D 500

Patent

active

041450272

ABSTRACT:
A safety device suitable for escaping a building through a window thereof which includes a slide capable of lowering a building occupant along a cable in a controlled descent path. The slide comprises a plurality of pulleys through which the cable slidingly passes in a serpentine path. One of the pulleys includes a brake which is capable of closely controlling the rate of travel of the cable about the pulley. External controls permit the user to closely regulate the speed of descent by varying the braking pressure applied at the brake pulley.

REFERENCES:
patent: 202767 (1878-04-01), Swank et al.
patent: 304603 (1884-09-01), Blott
patent: 456532 (1891-07-01), Bliss
patent: 554587 (1896-02-01), Evans
patent: 612673 (1898-10-01), Reidy et al.
patent: 1144702 (1915-06-01), Forest
patent: 1241701 (1917-10-01), Bencur
patent: 3915432 (1975-10-01), Bustamante

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