Break-out assembly for a drilling machine
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United States of America Patent
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Apr 9, 2013
Grant Date -
Feb 10, 2011
app pub date -
Aug 7, 2009
filing date -
Aug 7, 2009
priority date (Note) -
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Abstract
A break-out assembly includes a slide wrench assembly, and a slide wrench rotator assembly which rotates the slide wrench assembly in response to actuating first and second rotator assembly cylinders. The first and second rotator assembly cylinders are actuated in opposed directions. The break-out assembly includes a clamp assembly having opposed arm assemblies which are rotatable about separate pivot points.
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