| 摘要 |
An ultrasonic motor having an elastic body provided with a base part and two driving force output members. The driving force output members are provided with slide members. Two piezo-electric elements for generating longitudinal oscillation L1 mode and flex oscillation B4 mode are arranged on the base part. The slide members can be of a variety of configurations and patterns, including, for example, two strips placed either lengthwise or widthwise across the driving force output members. Further, the driving force output members can either be an integral part of the elastic body or can be formed in a separate process and then joined to the elastic body.
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