Fire escape – ladder – or scaffold – Torso harness – Strand-engaging – with descent retarder
Reexamination Certificate
2005-06-07
2005-06-07
Chin-Shue, Alvin (Department: 3634)
Fire escape, ladder, or scaffold
Torso harness
Strand-engaging, with descent retarder
C182S192000, C188S065300
Reexamination Certificate
active
06902031
ABSTRACT:
A safety device (100) includes a base (110), a handle (120) pivotally mounted on the base, a cleat (130) pivotally mounted on the base, and a cover (140) pivotally mounted on the base. A rope (99) is routed between the cleat and a bearing surface on the base, then between the cleat and a hub on the handle, then around the hub and between the hub and another bearing surface on the base, then between the cleat and the hub again. The handle may be squeezed against the base to control or limit descent along the rope, and in the event of excessively rapid descent, the device is urged toward a locked position relative to the rope.
REFERENCES:
patent: 461528 (1891-10-01), Fowler
patent: 506707 (1893-10-01), Matts
patent: 601029 (1898-03-01), Weber
patent: 2085319 (1937-06-01), Kolstedt
patent: 2976955 (1961-03-01), Huber
patent: 4355441 (1982-10-01), Hall
patent: 4580658 (1986-04-01), Brda
patent: 5054577 (1991-10-01), Petzl et al.
patent: 5597052 (1997-01-01), Rogleja
patent: 6446753 (2002-09-01), Novak
patent: 2 554 102 (1985-05-01), None
patent: 2 626 184 (1989-07-01), None
patent: 34598 (1977-03-01), None
patent: WO90/10476 (1990-09-01), None
patent: WO95/06500 (1995-03-01), None
Capital Safety Group Emea
Chin-Shue Alvin
IPLM Group, P.A.
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