Electromagnetic-clutch rotation stopping structure
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United States of America Patent
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Jun 25, 2013
Grant Date -
Oct 4, 2012
app pub date -
Dec 22, 2009
filing date -
Dec 22, 2009
priority date (Note) -
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Abstract
An axially short electromagnetic-clutch rotation stopping structure for use with a phase varying apparatus (30) of an automobile engine, adapted to stop the rotation of an electromagnetic clutch (35) relative to an electromagnetic clutch cover (70) while braking the brake drum (34) of the phase varying apparatus (30) to vary the phase angle of the camshaft (45) of the apparatus (30) relative to the crankshaft of the engine. An electromagnetic clutch cover (70) has a clutch holding section (71) for accommodates a substantially C-shaped leaf spring (73). The electromagnetic clutch (35) is held unrotatable with respect to the clutch holding section (71) by first rotation stopping means (71e, 73a) provided between the electromagnetic clutch (35) and by second rotation stopping means (73b, 35d) provided between the leaf spring (73) and the electromagnetic clutch (35).
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