Belt tensioner utilizing asymmetric motion control
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United States of America Patent
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Jun 11, 2013
Grant Date -
Jun 21, 2007
app pub date -
Nov 22, 2005
filing date -
Nov 22, 2005
priority date (Note) -
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Abstract
A belt tensioner includes a support housing at least in part defining a spring cavity and an arm pivotally attached to the support housing. A spring is located in the spring cavity and is operatively connected to the arm and the support housing to bias the arm about a pivot axis toward an unloaded position relative to the support housing. A damping member includes a hub and deflectable, force-applying elements that are connected to and spaced apart about a periphery of the hub. The force-applying elements are biased toward a contact surface of the arm to apply a frictional force between the contact surface and the force-applying elements to impede rotation of the arm relative to the support housing.
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