Piezoelectric motor and electronic equipment with...

Details Piezoelectric motor and electronic equipment with... Piezoelectric motor and electronic equipment with...

2005-12-27

2005-12-27

Dougherty, Thomas M. (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S323040, C310S323050, C310S323080, C310S323170, C310S328000

Reexamination Certificate

active

06979935

ABSTRACT:
A piezoelectric motor has a vibrating body for undergoing vibrational movement in accordance with a vibration wave, a contact member disposed in contact with and driven by the vibrating body during vibration thereof, and a support member for supporting the vibrating body in the vicinity of a vibration node of the vibration wave. A pressurization member applies pressure to the support member along a pressurization axis to maintain the vibrating body in pressure contact with the contact member so that during vibration of the vibrating body, the support member regulates movement of the vibrating body in a direction of rotation about the pressurization axis.

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