| 摘要 |
A flat motor device in which resin is molded around a knurling portion to thereby form a rotor hub, the rotor hub being projected outwardly of a casing, a shaft projected from the rotor hub is formed with a small diameter threaded portion so as to create an offset portion in a shaft body portion, and a fan is directly mounted on the end surface of the rotor hub, the offset portion is formed in the shaft being utilized to easily manufacture, a flat motor.
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