| 摘要 |
A stepping motor unit includes an annular motor mount having a center opening, a rotor which is rotatably supported on the annular motor mount, and a pair of stators which are supported on the annular motor mount to cause the rotor to rotate due to magnetic force. The stators have linear coil holders for holding the coils, which are arranged substantially along the inner and outer peripheries of the annular motor mount.
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