Belt tensioner with pivot bushing

  • US 6,682,452 B2
  • Filed: 02/14/2002
  • Issued: 01/27/2004
  • Est. Priority Date: 02/14/2002
  • Status: Active Grant
First Claim
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1. A tensioner for a power transmission belt that operates on an endless path, the tensioner comprising:

  • an arm comprising a belt engaging section and a housing section;

    a support member for securing the tensioner relative to the belt, the arm pivoting about the support member;

    a 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;

    a cavity between the arm and the support member; and

    a bushing comprising a bowed flange positioned in the cavity wherein the bowing of the flange biases the bushing axially along a longitudinal axis.

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