Fastener device which functions as a rock dowel

Details Fastener device which functions as a rock dowel Fastener device which functions as a rock dowel

1987-03-19

1988-09-13

Foss, J. Franklin

Supports

Pipe or cable

Extending through plate

2482161, A47G 2900

Patent

active

047703768

ABSTRACT:
A fastener device (1) which functions as a rock dowel and intended for use in rock climbing or for mooring boats, and the like, comprising a first element (2) and a second element (5) which are integrated with one another at a juncture (12). The first element (2) has the form of a wedge intended for co-action with a crack (3) in a rock surface or like surface, and the second element (5) forms an attachment for a line (8) or the like (7). The first element (2) is twisted in its longitudinal axis relative to a central plane (10) extending through the first element (2) from the juncture (12) at the second element (3).

REFERENCES:
patent: 570633 (1896-11-01), Hatch
patent: 1375633 (1921-04-01), Hamilton
patent: 3025853 (1962-03-01), Mason
patent: 3874264 (1975-04-01), Polos

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