Fixed strand descending and lowering system

Details Fixed strand descending and lowering system Fixed strand descending and lowering system

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.

REFERENCES:
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patent: 1103849 (1914-07-01), Stenborg
patent: 1351734 (1920-09-01), Barrington
patent: 3695397 (1972-10-01), Hobbs
patent: 4019609 (1977-04-01), Wagner
patent: 4298091 (1981-11-01), Anderson
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patent: 4667772 (1987-05-01), Kammerer
patent: 4723634 (1988-02-01), Fisk
patent: 5940943 (1999-08-01), Kloster

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