Apparatus for directional drilling
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United States of America Patent
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Jun 14, 2016
Grant Date -
Jul 4, 2013
app pub date -
Jun 29, 2010
filing date -
Jun 29, 2010
priority date (Note) -
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Abstract
A downhole drilling apparatus includes an assembly having a longitudinal axis, wherein an output shaft of the assembly extends axially through a housing. A bearing assembly has first and second races, wherein a first set of bearing elements are disposed at a first angle relative to a top surface of the first race and a second set of bearing elements are disposed at a second angle relative to a top surface of the second race. The output shaft extends from an outlet of the housing at the angle defined by the bore.
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