Asymetric damping belt tensioner
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United States of America Patent
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Dec 25, 2012
Grant Date -
Sep 2, 2010
app pub date -
Jun 20, 2005
filing date -
Jun 20, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tensioner for a belt drive, comprising: a base carrying a pin defining an axis; a tensioning arm, which can rotate about the pin and supports an idle pulley; and a damping element, which is constrained to a hinge point eccentric with respect to the axis and is carried by one between the base and the tensioning arm so as to co-operate with a friction surface carried by the other between the base and the tensioning arm. The belt tensioner further comprises a resilient element having a first end portion connected in a single point to the damping element and a second end portion connected to the other between the base and the tensioning arm to cause a rotation of the damping element about the hinge point against the friction surface.
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