Tool Bit
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United States of America Patent
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Issued Date -
Nov 10, 2016
app pub date -
May 9, 2015
filing date -
May 9, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A tool bit includes a front end having an insertion section. The tool bit further includes an extension behind the insertion section along a longitudinal axis and a clamping section behind the extension along the longitudinal axis. The insertion section includes a front end having an insertion end. The insertion end can be coupled with a head of a screw. The clamping section can be coupled with a rotating tool. The extension has circular cross sections and has a diameter smaller than an outer diameter of the insertion section. The extension includes at least two flanges spaced from each other along the longitudinal axis. An annular groove is defined between two adjacent flanges, is in a smaller torsional strength area of the extension, and has a torsional strength larger than a torsional strength of the insertion end.
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