Overrunning coupling and control assembly, coupling assembly and locking member for use therein
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United States of America Patent
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Sep 1, 2015
Grant Date -
Apr 17, 2014
app pub date -
Sep 25, 2013
filing date -
Oct 12, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A locking member for controllably transmitting torque between first and second coupling members of a coupling assembly is provided. The locking member includes projecting inner and outer pivots which extend laterally from a main body portion for enabling pivotal motion of the locking member about a pivot axis which intersects the pivots. The pivots are sized, shaped and located with respect to the main body portion to allow frictional engagement of an end surface of the outer pivot with an outer wall of a pocket to occur near the pivot axis during rotation of the first coupling member and the locking member above a predetermined RPM thereby reducing overall moment on the locking member about the pivot axis that has to be overcome to move the locking member between the engaged and disengaged positions.
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