Dual drive winch and nuclear reactor vessel maintenance apparatus employing same
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United States of America Patent
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Dec 27, 2016
Grant Date -
Nov 10, 2011
app pub date -
May 6, 2010
filing date -
May 6, 2010
priority date (Note) -
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Abstract
A dual drive winch having a drive assembly having a first shaft that is selectively movable between a first engaged position and a first disengaged position, and a second shaft that is selectively movable between a second engaged position and a second disengaged position. When the first shaft is in the first engaged position and the second shaft is in the second engaged position simultaneously, rotation of either the first shaft or the second shaft will, through a coupling mechanism, cause rotation of the other of the first shaft and the second shaft.
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