Anchoring dowel composed of two twisted half-dowels

Details Anchoring dowel composed of two twisted half-dowels Anchoring dowel composed of two twisted half-dowels

1990-02-26

1991-10-29

Cuomo, Peter M.

Joints and connections

Having a joining piece extending through aligned openings in...

403297, 4034091, F16B 1304

Patent

active

050611135

ABSTRACT:
The invention relates to an anchoring dowel (11) for joining two bodies (7, 8). The dowel is composed of two contacting half-dowels (11a, 11b) whose opposing faces (13a, 13b ) are helical surfaces twisting in opposite directions. The projecting ends of the half-dowels are thus mutually spread apart with respect to contact zones (19a, 19b), which are compressed by the joined bodies (7, 8) so ensuring the anchoring of the dowel.

REFERENCES:
patent: 201378 (1878-03-01), Allen
patent: 2519464 (1950-08-01), Haseltine
patent: 3175314 (1965-03-01), Williamson
patent: 3398800 (1968-08-01), Bennett
patent: 3879147 (1975-04-01), Morell
patent: 4464076 (1984-08-01), Leibhard
patent: 4518291 (1985-05-01), Lang et al.
patent: 4711234 (1987-12-01), Vives et al.

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