Vibration actuator

Details Vibration actuator Vibration actuator

1995-12-19

1996-11-12

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

H02N 200

Patent

active

055743269

ABSTRACT:
A vibration actuator includes a substantially rod-shape vibration member, and an electro-mechanical energy conversion element for vibrating the vibration member. The vibration member is vibrated by mechanical energy from the conversion element, thereby moving a member contacting the vibration member, and the vibration member relative to each other. A first notch which is notched in the radial direction and a second notch which is notched in the axial direction to be contiguous with the first notch are formed in the vibration member.

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patent: 5124611 (1992-06-01), Tamai et al.
patent: 5162692 (1992-11-01), Fujimura
patent: 5214339 (1993-05-01), Naito
patent: 5231325 (1993-07-01), Tamai et al.
patent: 5274295 (1993-12-01), Tsukimoto et al.
patent: 5352949 (1994-10-01), Eguchi et al.
patent: 5376854 (1994-12-01), Imabayashi et al.
patent: 5410204 (1995-04-01), Imabayashi et al.

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