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.

Date of Patent:
Mar. 04, 2025

Filed:

Feb. 27, 2020
Applicant:

Foster Electric Company, Limited, Tokyo, JP;

Inventors:

Yusuke Chiba, Tokyo, JP;

Yoshikazu Okazaki, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 33/18 (2006.01);
U.S. Cl.
CPC ...
H02K 33/18 (2013.01);
Abstract

A vibration actuator that can prevent reduction of vibration performance and durability of the vibration actuator and that can prevent occurrence of operation failure and noise when the vibration actuator had impact from the outside is provided. The vibration actuator includes a cylindrical casing having a first coil and a second coil, a movable element arranged inside the casing and having a magnet, and a first inner guide and a second inner guide arranged between the first coil and the second coil, and the movable elementand having extending portions and which sandwich and hold a part of the first coil and the second coil together with the casing.


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