Actuator

Details Actuator Actuator

2006-08-10

2009-12-15

Benson, Walter (Department: 2837)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S329000

Reexamination Certificate

active

07633211

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; and a weight member affixed to the other side in the extension/contraction direction of the electro-mechanical conversion element and extending along sides of the electro-mechanical conversion element.

REFERENCES:
patent: 7221077 (2007-05-01), Sawada
patent: 2002/0030422 (2002-03-01), Hata
patent: 2002/0084719 (2002-07-01), Okamoto et al.
patent: 2004/0007941 (2004-01-01), Yuasa et al.
patent: 2006/0238074 (2006-10-01), Manabe
patent: 0 464 764 (1992-01-01), None
patent: 6-123830 (1994-05-01), None
patent: 8-207756 (1996-08-01), None
patent: 3171187 (2001-03-01), None
patent: 2002-142470 (2002-05-01), None

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