Highrise family fire escape device

Details Highrise family fire escape device Highrise family fire escape device

1992-05-21

1993-02-16

Chotkowski, Karen J.

Fire escape, ladder, or scaffold

Torso harness

Strand-engaging, with descent retarder

182231, 182236, A62B 100, A62B 3500

Patent

active

051862751

ABSTRACT:
A fire escape device enabling persons to be lowered from tall structures. The device features a cable spool about which a cable is wound for at least one revolution. A helical channel is defined on the outer surface of the cable spool for the cable to ride in and a spool casing is provided to prevent the cable from riding out of the channel. A housing having first and second ends supports the cable spool and spool casing. Housing openings and channel openings are provided to allow the cable to pass into the channel about the spool. Harness supports are also provided at the first and second ends of the housing to hold the harness straps. A person is secured in the harness straps and may be lowered from the structure at a controlled rate by passing the cable through the housing. It is possible for the person to control their own rate of descent although it could also be controlled by a person in the structure or a person on the ground.

REFERENCES:
patent: 192548 (1877-06-01), Warth
patent: 518920 (1894-04-01), Harvey
patent: 705580 (1902-07-01), Hammerly
patent: 1128025 (1915-02-01), Mass
patent: 1351734 (1920-09-01), Barrington
patent: 2432741 (1947-12-01), Frankel
patent: 4093186 (1978-06-01), Golden
patent: 4550801 (1985-11-01), Forrest
patent: 4598793 (1986-07-01), Lew et al.
patent: 4640388 (1987-02-01), Walborn

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