Coupling Assembly Having Substantially No Backlash Between Forward and Reverse Locking Elements of the Assembly
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United States of America Patent
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Issued Date -
Jun 4, 2020
app pub date -
Nov 15, 2019
filing date -
Dec 3, 2018
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Abstract
A controllable coupling assembly having substantially no backlash is provided. The assembly includes a set of reverse locking formations each of which includes a load bearing surface having a sloped geometry and being adapted to lock a reverse locking element in place along the load bearing surface based on a mechanical tolerance between load bearing surfaces of forward and reverse locking elements through a wedging effect to prevent relative rotation between first and second coupling members of the assembly in a reverse direction about a rotational axis, to absorb at least a portion of the tolerance and to substantially eliminate any backlash between the locking elements.
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