| 摘要 |
PROBLEM TO BE SOLVED: To provide a motor capable of realizing less vibration and less noise by forming a peripheral groove effective for noise reductions on a rotating shaft. SOLUTION: In the motor 1, a stator 12 is disposed in a motor housing 11, a rotor 13 is disposed on the inner periphery of the stator 12, and a rotating shaft 14 of the rotor 13 is rotatably supported on front and rear bearings 21, 22 provided at brackets 17, 18 on the front and rear the motor housing 11. The motor is formed with peripheral grooves 31, 34 at a plurality of positions on the output shaft side 30 of the rotating shaft 14. COPYRIGHT: (C)2004,JPO
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