PIEZOELECTRIC VIBRATION ELEMENT

摘要

Provided is a piezoelectric vibration element that can obtain a vibration that is larger than conventional vibrations. A pair of extensions to which piezoelectric elements are not joined are formed at both ends in the lengthwise direction of a vibrating plate. A pair of support sections that support the pair of extensions of the vibrating plate are formed in a support body. The support sections have a pair of contact pieces that contact the front surface and back surface of the extensions and support the extensions in a manner so as to allow that extensions to oscillate centered at the section of contact with the pair of contact pieces when the piezoelectric element is expanding and contracting.