| 摘要 |
PURPOSE: To obtain a relatively large torque by providing a coil supporting plate for fixedly supporting a plurality of flat coils, a rotary magnet member and a rotary magnet yoke member for sandwiching the supporting plate. CONSTITUTION: The flat brushless motor comprises a coil supporting plate 15 having a fixed part 12 for supporting a shaft member 10, and a plurality of flat coils 17 formed in a disc state and arranged along a circumferential direction and fixed to the part 12, a rotary member supported to the member 10, and a plurality of magnets 21 annularly arranged and disposed. Accordingly, the motor has a thin plate 18 formed of a rotary magnet member 22 mounted at the member 11 opposed to the coils 17, a rotary magnetic yoke member 23 fixed to the member 11 at the position for sandwiching the plate 15 by the member 22, and a soft magnetic material to so fixed as to be opposed to the member 23 to the plate 15. |
