Fire escape system

Fire escape – ladder – or scaffold – Torso harness – Attached to strand wound on reel – and means for retarding...

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182236, A62B 110

Patent

active

044324375

ABSTRACT:
A controlled descent-speed, line system is described for the emergency evacuation of high office buildings, apartments and hotels. Included is a small diameter, high-strength steel cable of sufficient length wound upon a flanged reel. One reel flange is hobbed for drive chain teeth to drive a centrifugal clutch rotor hub sprocket. The out-drive clutch drum torques a linear actuator shaft which applies direct braking force to the cable reel. The load end of the cable is provided with a harness and umbrella deployable shield. The shield is stored as a slender, elongated column. Upon use, weight of the user collapses a number of straight spring strips into respective bows to approximate a spherical ball connected in the cable line above the users head to deflect heavy, falling debris and to maintain clearance between the face of the evacuated building and the user.

REFERENCES:
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patent: 3907256 (1975-09-01), Kankkunen
patent: 4093186 (1978-06-01), Golden
patent: 4173332 (1979-11-01), Du Londel

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