Fire escape – ladder – or scaffold – Torso harness – Strand-engaging – with descent retarder
Reexamination Certificate
2007-03-07
2010-12-07
Mitchell, Katherine W (Department: 3634)
Fire escape, ladder, or scaffold
Torso harness
Strand-engaging, with descent retarder
C182S071000, C182S072000, C182S193000, C188S065100, C254S391000
Reexamination Certificate
active
07845467
ABSTRACT:
A belaying device for a rope comprises a cam able to rotate between a securing position corresponding to securing the rope by jamming effect against the stud and a separated position allowing the rope to run freely in the gap between the cam and the stud. The cam is associated with a triggering ratchet able to occupy either a locked position blocking the cam in the separated position or an unlocked position following a deliberate control action releasing said cam.
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Broquerie Christian
Petzl Paul
Cahn Daniel
Mitchell Katherine W
Oliff & Berridg,e PLC
Zedel
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