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:
Jun. 04, 2024
Filed:
Sep. 17, 2019
Foster Electric Company, Limited, Tokyo, JP;
Yusuke Chiba, Tokyo, JP;
Yoshikazu Okazaki, Tokyo, JP;
FOSTER ELECTRIC COMPANY, LIMITED, Tokyo, JP;
Abstract
An oscillatory actuatorincludes a cylindrical case, an electromagnetic driver, a mover, a first damper, and an inner guide. The electromagnetic driveris provided inside the case. The moveris enabled to oscillate through driving by the electromagnetic driver. The first damperhas a plurality of armssupporting the moverfrom an inner surface of the case. The inner guideis provided on the inner surface of the caseand restricts movement of the first damperbeyond a predetermined range. The inner guideis located further toward a center of the casethan the first damperin a direction of an oscillation axis ◯ of the mover