发明名称 |
Vibration wave motor |
摘要 |
A vibration wave motor includes circular shape vibration part having a helical stepped portion inside or outside thereof; a unit, coupled to said vibration part for causing the vibration part to generate a travelling vibration wave propagating along a circumferential direction of the vibration part; and a movable part having a stepped portion threadably engaged with the helical stepped portion, the movable part being frictionally driven by the travelling vibration wave generated by the vibration part.
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申请公布号 |
US4734610(A) |
申请公布日期 |
1988.03.29 |
申请号 |
US19870029182 |
申请日期 |
1987.03.23 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
OKUMURA, ICHIRO;MUKOHJIMA, HITOSHI;UEHA, SADAYUKI |
分类号 |
H01L41/09;H02N2/16;(IPC1-7):H01L41/08 |
主分类号 |
H01L41/09 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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