| 摘要 |
a fixed bolt (2a) connecting a rotating razor (2) and a rotating shaft (3) with a connection groove (3a) in the upper part of the rotating shaft (3), a vibration device made up of a vibration plate (4a) and a ceramic plate (4), a connection device (6), a connecting groove (b) in the lower part of the rotating shaft (3) with a connection groove (5b) in the upper part of an ultrasonic motor shaft (5a), an ultrasonic driving part (T) making an ultrasonic motor (5) generate ultrasonic wave and made up of a vibration generating part (A), a feedback part (D) and a drive part (C).
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