Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means
Patent
1980-05-15
1983-08-09
Holko, Thomas J.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
411 34, 411340, F16B 3504
Patent
active
043975950
ABSTRACT:
An anchoring retainer is provided for mounting at one side of a supporting structure such as a wall or ceiling having a through or restrictive opening therein through which the retainer is first inserted to reach one side of the structure or for mounting in a blind hole in a concrete floor or wall. Generally the same retainer may be used with a through opening or blind hole. The retainer, adapted to be used with a threaded element, comprises a flexible unitary one-piece body made from a plastic material. The body has an axis, is of generally triangular configuration and has at the apex thereof a sleeve provided with an opening surrounding the axis through which the threaded element extends. The sleeve has a pair of integrally formed outwardly diverging elongated flexible legs. An elongated flexible strut of V-shape is spaced axially from the sleeve and includes a central strut portion located beneath and spaced from the sleeve along with a pair of outwardly diverging strut portions which are integrally connected to the central strut portion and to the flexible legs near the outer ends thereof.
REFERENCES:
patent: 964226 (1910-02-01), Farrand
patent: 1295734 (1919-02-01), Greubel
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patent: 4143581 (1979-03-01), Smith et al.
patent: 4197781 (1930-04-01), Giannuzzi
Parker Glenn T.
Smith Jon D.
Dry Dock Industries, Inc.
Holko Thomas J.
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