ELECTROMAGNETIC CLUTCH
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United States of America Patent
Stats
-
N/A
Issued Date -
Feb 17, 2011
app pub date -
Nov 4, 2008
filing date -
Nov 15, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An electromagnetic clutch includes a worm wheel driven by a drive motor, an armature rotated in operative association with the worm wheel, a rotor rotatable about a same axis as the armature, an electromagnetic coil configured to cause the rotor to generate a magnetic force for causing the rotor and the armature to be moved and pulled into contact with each other along the rotational axis by the magnetic force, and an elastic member interposed between the rotor and the armature, one side of the elastic member being fixed to one of the rotor and the armature, the other side of the elastic member being in slidable contact with the other of the rotor and the armature, the elastic member urging the rotor and the armature in directions away from each other.
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