Fire escape – ladder – or scaffold – Torso harness – Strand-engaging – with descent retarder
Patent
1998-05-01
2000-07-11
Stodola, Daniel P.
Fire escape, ladder, or scaffold
Torso harness
Strand-engaging, with descent retarder
182192, 182193, 188 654, A47L 304
Patent
active
060858664
ABSTRACT:
A safety device interacts with a holding rope passing over a deflection point. A housing has a holding rope connection for connecting the housing to one part of the holding rope. A clamping jaw is pivotally connected to the housing. The clamping jaw and housing form a clamp for clamping another part of the holding rope in a clamp position of the clamping jaw and for releasing the another part of the holding rope when the clamping jaw is in a release position. The deflection point is positioned between the one part and the another part of the holding rope. A secure rope is connected to the clamping jaw and extends radially around the clamping jaw and the housing. The secure rope moves the clamping jaw from the release position to the clamping position when a load is placed on the secure rope.
REFERENCES:
patent: 288117 (1883-11-01), Reidy
patent: 290007 (1883-12-01), Downing
patent: 594318 (1897-11-01), Beebe
patent: 641809 (1900-01-01), Tillottson
patent: 951823 (1910-03-01), Luckett
patent: 2773566 (1956-12-01), Staggers
patent: 4476956 (1984-10-01), Eger
patent: 4787474 (1988-11-01), Brennan
patent: 5131491 (1992-07-01), Varner et al.
Smith Richard M.
Stodola Daniel P.
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