| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an electromagnetic clutch provided with a pulley composed of a magnetic substance rotated and driven, an armature composed of the magnetic substance arranged by facing one end of the pulley, a circular ring-like coil case arranged in a circular ring channel formed at the other end of the pulley across a clearance from a wall face of the circular ring channel, and a circular ring-like coil stored in the coil case to prevent intrusion of dust. <P>SOLUTION: This electromagnetic clutch is provided with the pulley composed of the magnetic substance rotated and driven, the armature composed of the magnetic substance arranged by facing one end of the pulley, the circular ring-like coil case arranged in the circular ring channel formed at the other end of the pulley across the clearance from the wall face of the circular ring channel, and the circular ring-like coil stored in the coil case and is provided with a sealing member for blocking a clearance between an outer peripheral side face of the coil case and an outer peripheral side face of the circular ring channel of the pulley. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
