Supports – Brackets – Specially mounted or attached
Patent
1999-03-05
2000-07-25
Braun, Leslie A.
Supports
Brackets
Specially mounted or attached
A47F 508
Patent
active
060927739
ABSTRACT:
A retrievable rock-climbing anchor for potentially holding a climber to a climbable structure is disclosed. In particular, there is a retrievable rock-climbing anchor that performs better than the prior art. A further feature of the invention is to provide a retrievable rock-climbing anchor, comprising a wedge device having a passive and active wedges; with main and retraction cables coupled at one end to the passive and active wedges respectively. There is also a transverse pull component, fixedly coupled to the retraction cable, and slidably coupled to the main cable, and designed to retract the active wedge by applying a first force thereto, in order to remove the climbing anchor from the climbable structure. There is further a retrieval loop, coupled to a second end of the retraction cable, designed to retract the active wedge and the transverse pull component by applying a second force, which can be larger than the first force, to the retrieval loop.
An additional feature of the invention is to provide a retrievable climbing anchor wherein the retrieval loop comprises an extension of the retraction cable being looped back upon itself; and a swage fixedly coupled to the retraction cable to form a loop.
A further feature of the invention is to provide a retrievable rock-climbing anchor wherein the pull component further comprises a contact face, located on each opposing side of the pull component, which allows the placement of fingers on the sides of the pull component.
REFERENCES:
patent: 4572464 (1986-02-01), Phillips
patent: 4712754 (1987-12-01), Brodie
patent: 4715568 (1987-12-01), Best, Jr.
patent: 4834327 (1989-05-01), Byrne
patent: 5484132 (1996-01-01), George et al.
Braun Leslie A.
Wujciak A. Joseph
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