The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 06, 1999
Filed:
Sep. 10, 1997
Nikon Corporation, Tokyo, JP;
Abstract
A vibration actuator comprising a vibration element including an elastic member and an electromechanical converting element and a relative movement member maintained in pressure contact with a driving face of the vibration element, wherein the electromechanical converting element includes a longitudinal vibration generating electromechanical converting element for generating a longitudinal vibration for generating a displacement along the axial direction of the vibration element, and a torsional vibration generating electromechanical converting element for generating a torsional vibration for generating a torsional displacement around the axis of the vibration element, and the longitudinal vibration generating electromechanical converting element and the torsional vibration generating electromechanical converting element are provided on a substantially same plane.
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