| 摘要 |
A heterodegenerate type of vibration actuator, which during driving, when noise arises, does not suffer from a reduced driving efficiency nor is the driving force reduced. Such a vibration actuator includes a support member, an elastic body which generates a driving force at a driving surface D, which is an end surface located on an outer surface of the support member, a relative motion member that is in compressive contact with the elastic body located so as to rotate freely on the circumference of the mounting member, and a fixed member which fixes the support member and the elastic body. A mounting standard member regulates the positional relationship of the elastic body and the support member.
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