Escape device

Details Escape device Escape device

1975-07-17

1977-06-14

Spar, Robert J.

Implements or apparatus for applying pushing or pulling force

Step-by-step traveling bar

Pawl actuated

188270, A62B 112

Patent

active

040292983

ABSTRACT:
Escape device comprising a reel having a cable wound on it, said reel being coupled with a rotatable shaft on which the outer end of a spiral spring wound on a rotatable shaft is wound with a curve opposite the curve in the rest position when the cable is winding off the reel, and said cable being coupled slip-free with a wheel carrying projecting wind blades when it is winding off the reel.

REFERENCES:
patent: 197899 (1877-12-01), Root
patent: 326726 (1885-09-01), Dittrick
patent: 749406 (1904-01-01), Spiro
patent: 1081865 (1913-12-01), Rhodes
patent: 2811334 (1957-10-01), Blackburn
patent: 3602483 (1971-08-01), Russell et al.

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