Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Reexamination Certificate
2006-08-14
2008-11-11
Dougherty, Thomas M (Department: 2834)
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
C310S328000
Reexamination Certificate
active
07449815
ABSTRACT:
An actuator comprises: an electro-mechanical conversion element; a driving frictional member mounted onto one side in an extension/contraction direction of the electro-mechanical conversion element; a driven member frictionally engaged with the driving frictional member; an urging section that urges the driven member to frictionally engage the driven member with the driving frictional member; and an urging force adjusting section that adjusts an urging force of the urging section.
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Birch & Stewart Kolasch & Birch, LLP
Dougherty Thomas M
Fujinon Corporation
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