Tensioner with increased damping and arm on base cup configuration
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United States of America Patent
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Jan 16, 2018
Grant Date -
Jul 28, 2016
app pub date -
Sep 11, 2014
filing date -
Sep 11, 2013
priority date (Note) -
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Abstract
In an aspect, a tensioner is provided for maintaining tension in an endless drive member in a belt-in-oil drive system. The tensioner includes a base that is mountable to a stationary structure and that has a circumferential wall that defines an arm pivot axis, an arm having a radially inner arm surface, and an endless drive member engagement surface that is engageable with an endless drive member, a bushing positioned between the radially inner arm surface and the circumferential wall of the base cup, and a tensioning spring. The arm is supported on the base cup via the bushing. The tensioning spring is positioned to bias the arm in a first direction about the arm pivot axis.
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