HIGH STRENGTH FASTENERS, DRIVERS, AND FASTENER SYSTEMS
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United States of America Patent
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app pub date -
Jun 7, 2017
filing date -
Jun 17, 2016
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Abstract
Fasteners, drivers, and fastener systems constructed wherein example fasteners have driver engageable surfaces on or within a shank tip of the fastener. Example embodiments are included where at least one of the installation and removal surfaces are configured to define a segment of a spiral. Some example embodiments are also included where the installation and removal drive surfaces intersect an enlarged core diameter in an inner transitional surface that extends between the installation and removal surfaces of adjacent wings. Embodiments include fasteners with installation and removal drive surfaces on or within a shank tip of fasteners.
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