Fire escape – ladder – or scaffold – Torso harness – Strand-engaging – with descent retarder
Reexamination Certificate
2006-04-11
2006-04-11
Thompson, II, Hugh B. (Department: 3634)
Fire escape, ladder, or scaffold
Torso harness
Strand-engaging, with descent retarder
C182S003000
Reexamination Certificate
active
07025172
ABSTRACT:
A method for descending and/or lowering objects from a height employing a device that includes a fixed strand, a locking carabiner, and a simple harness. The carabiner serves as both a connector between the harness and the strand, and a friction device. Wrapping the strand one or more times around a side of the locking carabiner opposite its locking gate provides friction when the strand is pulled below the carabiner to apply tension thereto. This construction eliminates one component commonly used in similar systems, and results in a lowering and descending system that is lightweight, easy to use and is quick to set up and dismantle.
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patent: 5940943 (1999-08-01), Kloster
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