Over-center hollow wall anchor with enhanced holding strength
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United States of America Patent
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Feb 19, 1991
Grant Date -
N/A
app pub date -
Feb 26, 1990
filing date -
Feb 26, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A plastic over-center hollow wall anchor having increased strength without increase in thickness of load bearing members and necessitation of a larger insertion aperture. The bending motion stress on the load bearing arms, which causes the weakening or failure mode of the anchor, is substantially retarded by the inclusion of a small reinforcing boss across the bending area.
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