Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Securing means pivotable about axis transverse to fastener...
Patent
1980-07-17
1983-11-15
Holko, Thomas J.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element with nut, washer, securing means or cap
Securing means pivotable about axis transverse to fastener...
411 15, F16B 1304
Patent
active
044152990
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. When the retainer is used at one side of the structure the threaded element is threaded into the sleeve opening of the internally triangulated retainer and as a result thereof the strut is placed in tension and moves toward the structure thereby controlling the spread of the legs while such legs tightly grip the structure and are placed in compression.
REFERENCES:
patent: 964226 (1910-07-01), Farrand
patent: 1295734 (1919-02-01), Greubel
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Parker Glenn T.
Smith Jon D.
Dry Dock Industries, Inc.
Holko Thomas J.
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