Fire escape – ladder – or scaffold – Torso harness – Strand-engaging – with descent retarder
Patent
1995-09-15
1997-09-30
Braun, Leslie A.
Fire escape, ladder, or scaffold
Torso harness
Strand-engaging, with descent retarder
182 6, 182 7, 182191, 182193, A62B 100, A62B 106, A62B 116, A62B 3500
Patent
active
056718225
ABSTRACT:
A self-belaying descending apparatus (10) comprising a descending control device (12), a safety line (30) and a body support (50) that can consist of a waist belt (74). The apparatus (10) functions by securing the upper end (32) of the line (30) to a fixed elevated structure (90). The lower end (34) of the line (30) is then wrapped around a pair of upper and lower line controls (24,26) attached to the device (12), and the device (12) is secured to the waist belt (74). The apparatus (10) is disclosed in two designs. In the first design, a single person is able to descend from the elevated structure (90). In the second design, the device (12) and safety line (30) function in combination with a modified device (12) and the body support (50) consist of a safety cage (100) that allows at least two persons to descend. In both designs, the descent rate is controlled by applying hand pressure to the safety line (30) wrapped around the upper and lower line controls (24,26).
REFERENCES:
patent: 272259 (1883-02-01), Howland
patent: 890898 (1908-06-01), Gaillac
patent: 963409 (1910-07-01), Welch
patent: 1574529 (1926-02-01), Abraham
patent: 2245878 (1941-06-01), Sorensen
patent: 3498408 (1970-03-01), Foote
patent: 4039045 (1977-08-01), Hoger
Braun Leslie A.
Cota Albert O.
Wallace Donald J.
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