Decoupler clutch engagement surface with selected surface finish
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United States of America Patent
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Jul 11, 2017
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N/A
app pub date -
Aug 19, 2014
filing date -
Aug 19, 2013
priority date (Note) -
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Abstract
In an aspect, the invention is directed to a clutched device that includes a clutch input member, a clutch output member, and a wrap spring clutch. The wrap spring clutch is engageable with the clutch input member and the clutch output member and has a radially outer surface and a radially inner surface. One of the radially outer and inner surfaces is engageable with a clutch engagement surface on one of the clutch input member and the clutch output member. The clutch engagement surface has a surface finish that includes a plurality of peaks and valleys, wherein the peaks engage the wrap spring clutch and each have a selected width.
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