| 摘要 |
PURPOSE:To maintain a gap between a pole teeth and a stator constant by forming a rib on a control member, thereby enhancing the rigidity of the member and preventing the pole from deflecting. CONSTITUTION:Many pole pieces are laminated to form poles 13. A control member 15 has a plurality of holes engaged with the poles 12A, 12B of the pole 13, and the holes are disposed at an equal interval L. Ribs 17 are formed by bending both side edges at the longitudinal edges of the member 15. After an axle 20 which supports wheels 19 is placed on the retainer of the pole 13, the member 15 and a control plate 18 are press-fitted to the poles 12A, 12B. An exciting coil 21 is wound on the poles 12A, 12B, and a permanent magnet 22 is secured to the base surface of the pole 13. |
