Self-drilling hollow wall anchor
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United States of America Patent
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-
Jan 22, 2008
Grant Date -
Jun 8, 2006
app pub date -
Jan 12, 2006
filing date -
Dec 2, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A high strength failure-resistant hollow wall anchor having a self drilling threaded installation structure adapted to be broken, after positioning, by an inserted screw, into expandable anchoring elements. The anchoring elements engage internally formed cams and the distal surface of the wall into which the anchor is deployed and are comprised of a plastic sufficiently rigid to effect a threaded insertion and to be broken apart, but which plastic is also sufficiently flexible to be able to form the expansion anchor member on the distal surface of a wall. The anchor includes anti-rotation elements to retard overtightening and anchor removal prior to screw removal.
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