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:
Jul. 30, 2019

Filed:

Oct. 06, 2016
Applicant:

Nidec Seimitsu Corporation, Ueda-shi, Nagano-ken, JP;

Inventors:

Tomohiro Akanuma, Ueda, JP;

Mitsuru Oi, Ueda, JP;

Tetsufumi Hayashi, Ueda, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 33/00 (2006.01); H02K 33/16 (2006.01);
U.S. Cl.
CPC ...
H02K 33/00 (2013.01); H02K 33/16 (2013.01);
Abstract

A vibration motor includes a stationary portion including a casing and a coil; a vibrator including a magnet, and at least one elastic member. The magnet is arranged on an upper side of the coil. The stationary portion includes at least one projecting portion arranged to project in the vertical direction. A portion of the at least one projecting portion is arranged opposite to a portion of the vibrator in the one direction. The at least one elastic member includes a plate spring portion arranged to support at least one of both ends of the vibrator with respect to the one direction. The plate spring portion includes a decreased width portion and an increased width portion, the decreased width portion being above or below a corresponding one of the at least one projecting portion when viewed from one side in the one direction.


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