High strength fastener system
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United States of America Patent
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-
Mar 5, 2013
Grant Date -
Aug 2, 2012
app pub date -
Apr 6, 2012
filing date -
Oct 22, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A fastener system is constructed wherein the installation and removal drive surfaces intersect an enlarged core diameter in a transitional surface that extends between the installation and removal surfaces of adjacent wings. The transitional surface has a concave form that conforms to the core diameter. The projections of the driver in the system are formed in a blunt shape.
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