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:
May. 21, 2013
Filed:
Jun. 07, 2010
Applicants:
Eiji Matsukawa, Yotsukaido, JP;
Kazuyasu Oone, Saitama, JP;
Inventors:
Eiji Matsukawa, Yotsukaido, JP;
Kazuyasu Oone, Saitama, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 5/02 (2006.01); H02N 2/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a vibration actuator comprising a drive unit that generates a drive force; a vibrating component that vibrates according to the drive force from the drive unit; a rotating body that receives the vibration of the vibrating component to rotate; and a converting section that changes a contact force between the vibrating component and the rotating body according to size of a load acting on the rotating body.