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.:

US 10224796 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 05, 2019

Filed:

Jul. 01, 2016
Applicant:

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

Inventors:

Zendi Mori, Ueda, JP;

Takayuki Takeuchi, Ueda, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/34 (2006.01); H02K 33/18 (2006.01); H04M 1/725 (2006.01); H04M 1/02 (2006.01); H04M 19/04 (2006.01);
U.S. Cl.
CPC ...
H02K 33/18 (2013.01); H02K 1/34 (2013.01); H04M 1/026 (2013.01); H04M 19/047 (2013.01);
Abstract

A vibration motor includes a base portion arranged to extend perpendicularly to a central axis extending in a vertical direction; a magnet portion fixed above the base portion, and arranged to point in the vertical direction; a vibrating portion including a coil portion arranged radially opposite to the magnet portion, and arranged around the magnet portion to vibrate in the vertical direction; a cover portion arranged to cover upper and lateral sides of the magnet portion and the vibrating portion, and fixed to the base portion; an elastic member arranged around the magnet portion between an inner surface of an upper portion of the cover portion and an upper portion of the vibrating portion, and arranged to extend radially inward in a downward direction from the inner surface of the upper portion of the cover portion; at least one adhesive layer fixed to an upper surface of the vibrating portion, and arranged in a circumferential direction below the elastic member; and at least one viscous body in a paste, arranged in the circumferential direction on an upper surface of the at least one adhesive layer, arranged vertically opposite to the elastic member, and including an upper end portion arranged at a level higher than the level of the upper surface of the vibrating portion.


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