Belt tensioner with pivot bushing
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United States of America Patent
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Jan 27, 2004
Grant Date -
Aug 14, 2003
app pub date -
Feb 14, 2002
filing date -
Feb 14, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A belt tensioner for a power transmission belt is provided that operates on an endless path and that utilizes asymmetric motion control. The belt tensioner has an arm with a belt engaging section and a drum section, a support member for securing the tensioner relative to the belt, where the arm pivots about the support member, and a tension spring that urges the arm to pivot about the support member in a first direction and urges the belt engaging section against the belt with a force to tension the belt. The belt tensioner further comprises a cavity between the arm and the support member and a bushing comprising a bowed flange positioned in the cavity.
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