Jack element for a drill bit
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United States of America Patent
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Oct 9, 2012
Grant Date -
Oct 22, 2009
app pub date -
May 29, 2009
filing date -
Nov 21, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A drill bit has an axis of rotation and a working face with a plurality of blades extending outwardly from a bit body. The blades form, in part, an inverted conical region, and a plurality of cutters with a cutting surface is arrayed along the blades. A jack element is coaxial with the axis of rotation and extends within the inverted conical region within a range defined by the cutting surface of at least one cutter.
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