Actuator

Details Actuator Actuator

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.

REFERENCES:
patent: 5847488 (1998-12-01), Yoshida et al.
patent: 6194811 (2001-02-01), Shinke et al.
patent: 2005/0035687 (2005-02-01), Xu et al.
patent: 2006/0061236 (2006-03-01), Naka et al.
patent: 2006/0125350 (2006-06-01), Audren et al.
patent: 0 464 764 (1992-08-01), None
patent: 0 823 738 (1998-11-01), None
patent: 2633066 (1997-04-01), None

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