Bogey style torque bushing for top drive
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United States of America Patent
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Dec 5, 2017
Grant Date -
Jul 3, 2014
app pub date -
Dec 23, 2013
filing date -
Dec 28, 2012
priority date (Note) -
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Abstract
Present embodiments are directed to a top drive system having a top drive, a bogey chassis, wherein the top drive is coupled with the bogey chassis, an upper bushing coupling the bogey chassis to a torque track, and a lower bushing coupling the bogey chassis to the torque track, wherein the upper and lower bushings are configured to translate along the torque track.
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