Actuator

Details Actuator Actuator

2005-08-09

2005-08-09

Budd, Mark (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S328000

Reexamination Certificate

active

06927527

ABSTRACT:
An actuator is disclosed which has a driving section driven by means of electro-mechanical displacing members such as a piezoelectric members. The electro-mechanical displacing members are connected to a driving piece at one ends thereof and the driving piece is driven by the composition of displacements of the electro-mechanical displacing members. The movement of the driving piece is transmitted to a driven section. The electro-mechanical displacing members are also connected to a base member at the other ends thereof. A restraining member restrains unnecessary movement of the actuator which is composed of the electro-mechanical displacing members, the driving piece and the base member, thereby insuring stable operation of the actuator.

REFERENCES:
patent: 4950135 (1990-08-01), Tojo et al.
patent: 6201340 (2001-03-01), Matsuda et al.
patent: 6469417 (2002-10-01), Shibatani
patent: 6657362 (2003-12-01), Matsuo et al.
patent: 6771004 (2004-08-01), Matsuda et al.
patent: 6-38873 (1985-10-01), None
patent: 08-289573 (1996-11-01), None
patent: 10-225151 (1998-08-01), None
patent: 11-069852 (1999-03-01), None
patent: 2001-054289 (2001-02-01), None

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