Device used in the retrieval of climbing equipment

Details Device used in the retrieval of climbing equipment Device used in the retrieval of climbing equipment

1997-05-19

1999-02-23

Kramer, Dean

Handling: hand and hoist-line implements

Contact lens applicator

24115R, B25J 100

Patent

active

058736131

ABSTRACT:
A small flexible device (12) is used in conjunction with various sized elastic bands (18), one of which is attached to a climbing sling (19). The large diameter end (14) of the retrieval device (12) contains an insertion notch (13) to facilitate the entry of a climbing rope. The rope is inserted the length of a longitudinal through hole (16), by use of the retrieval devices' (12) longitudinal slot (15). The retrieval device (12) is constructed with a small diameter end (17) opposite a large diameter end (14). The small diameter end (17) first passes through the large loop (21) of two loops previously formed in a sling (19) using an elastic band (18). The large diameter end (14) of the retrieval device (12) being smaller than the large diameter loop (21) of the sling (19) passes through the loop (21) unimpeded. The small diameter end (17) of retrieval device (12) then enters the small diameter loop (20) in the sling (19), the diameter of this loop (20) having been previously formed with an elastic band (18). The large diameter end (14) of the retrieval device (12) then enters the small diameter loop (20) in the sling (19). Because the diameter of the small diameter loop (20) is less than the large diameter end (14) of the retrieval device (12), the device will not pass through the loop. This action allows the climber, via the rope, to apply a pulling force onto the sling (19). In continuing to pull the rope in this manner, the rope and retrieval device (12) will pull the sling (19) free from the natural or man made anchor. The rope, sling (19) and retrieval device (12) will then fall free to be retrieved. If the sling (19) should become jammed in the anchor, increasing amounts of force can be applied to the retrieval device (12) until the rope slides through and exits the device. The rope will then fall free and be retrieved.

REFERENCES:
patent: 3336067 (1967-08-01), Cloyd
patent: 3446484 (1969-05-01), Walsh et al.
patent: 5462326 (1995-10-01), Doherty
patent: 5704669 (1998-01-01), Clark

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