Pulley tensioner for an oil wet belt drive
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United States of America Patent
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Oct 23, 2012
Grant Date -
Sep 8, 2011
app pub date -
May 6, 2007
filing date -
Jun 5, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A tensioner (1) for a belt drive comprises a base(2, 3) defining an axis (A), a mobile element (4) hinged onto axis (A) and defining a guiding surface (22), an elastic helical element (18) having a square or rectangular cross section for actuating the mobile element (4) and an idle pulley (5) surrounding the guiding surface (22). The tensioner (1) further comprises a journal bearing (4, 29, 32, 33) for supporting the pulley (5) on the guiding surface (22).
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