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. 09, 2026
Filed:
Mar. 16, 2022
Foster Electric Company, Limited, Tokyo, JP;
Yusuke Chiba, Tokyo, JP;
Takafumi Asukagawa, Tokyo, JP;
FOSTER ELECTRIC COMPANY, LIMITED, Tokyo, JP;
Abstract
Assembling of the leaf spring and the damping member is facilitated and a vibration actuator with excellent vibration characteristic is provided. The vibration actuator mainly includes a cylindrical casing, a coil provided inside the casing, a mover vibrating along the vibration axis of the casing, a leaf spring in which an inner circumferential portion thereof is fixed to the mover, and a frame fixing the leaf spring to the casing. The frame includes a fixing portion provided in an outer circumferential portion of the leaf spring and a damping portion provided in a vibrating portion of the leaf spring.