Driving apparatus

Details Driving apparatus Driving apparatus

2007-08-14

2007-08-14

Budd, Mark (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S323160, C310S325000

Reexamination Certificate

active

11117953

ABSTRACT:
A driving apparatus of the invention comprises a fixed member, a piezoelectric element fixed at one end to the fixed member, and a driving friction member fixed to the other end of the piezoelectric element. The driving apparatus of the invention is arranged to move a movable unit which is slidably mounted on the driving friction member by expansion and contraction of the piezoelectric element. Herein, a bonded surface of the piezoelectric element to the driving friction member is included in a bonded surface of the driving friction member to the piezoelectric element.

REFERENCES:
patent: 3140859 (1964-07-01), Scarpa
patent: 4220886 (1980-09-01), Ciszewski et al.
patent: 6188161 (2001-02-01), Yoshida et al.
patent: 6781283 (2004-08-01), Tsukimoto
patent: 08-286093 (1996-11-01), None

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