Fire escape

Details Fire escape Fire escape

1977-09-23

1979-06-05

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Torso harness

Strand-engaging, with descent retarder

188 655, 254156, 254158, A62B 112

Patent

active

041571274

ABSTRACT:
This invention relates to a fire escape which has a base member, a brake device, a flexible elongated member for holding escaping persons and a drive device having at least one drive wheel which drives the brake device by frictional engagement with the flexible elongated member. The fire escape includes an actuator which is pivotally supported by the base member and acts to press the flexible elongated member at the entry side thereof toward the drive wheel to a contacting member disposed on the base member so as add a brake force to the flexible elongated member and to create a tension force in the flexible elongated member by receiving a force from the flexible elongated member at the exit side thereof from the drive wheel owing to a total weight of escaping persons held by the flexible elongated member.

REFERENCES:
patent: 305950 (1884-09-01), Morrison
patent: 537383 (1895-04-01), Buckelew
patent: 682869 (1901-09-01), Hammerly
patent: 3946989 (1976-03-01), Tsuda

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