Fire escape device

Fire escape – ladder – or scaffold – With storage device for supple escape – Reel

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Details

182231, 188270, A62B 3500, A62B 110

Patent

active

044691963

ABSTRACT:
A fire escape device enabling a person to escape from a multi-story building. The fire escape device of the invention comprises two sets of planetary gears which operatively interconnect a winding drum to the main shaft of a fan assembly. During operation, as the cable is unwound from the drum, the sets of planetary gears cause the shaft of the fan and correspondingly, the fan blades themselves to rotate at great speed thereby braking and hence controlling the rate at which the cable is released from the winding drum.

REFERENCES:
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patent: 3261590 (1966-07-01), Bech
patent: 3595528 (1971-07-01), Virkki
patent: 3760910 (1973-09-01), Koshihara
patent: 3850263 (1974-11-01), Chin
patent: 3879016 (1975-04-01), Kankkunen
patent: 3907256 (1975-09-01), Kankkunen
patent: 3946989 (1976-03-01), Tauda
patent: 4000881 (1977-01-01), Matsumoto
patent: 4018423 (1977-04-01), Belew
patent: 4029298 (1977-06-01), Lassche
patent: 4173332 (1979-11-01), Du Londel
patent: 4198033 (1980-04-01), Messuziere

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