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:
Jun. 03, 2025

Filed:

Nov. 14, 2023
Applicant:

Nidec Corporation, Kyoto, JP;

Inventors:

Takashi Mitsunari, Kyoto, JP;

Michihiro Ito, Kyoto, JP;

Kenta Miyoshi, Kyoto, JP;

Assignee:

NIDEC CORPORATION, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 33/14 (2006.01); G11B 19/20 (2006.01); G11B 25/04 (2006.01); G11B 33/02 (2006.01);
U.S. Cl.
CPC ...
G11B 19/2009 (2013.01); G11B 25/043 (2013.01); G11B 33/027 (2013.01); G11B 33/1466 (2013.01);
Abstract

A base plate includes a support part, a bottom plate part, and a wall part. The wall part includes a first wall part and a second wall part above the first wall part. The first wall part includes a first wall surface and a support surface spreading from an upper end of the first wall surface to a radially outer side. The second wall part includes a second wall surface and a recess recessed to the radially outer side from the second wall surface. The recess is defined by a space enclosed by a recess wall surface located on the radially outer side of the second wall surface and extending upward from the support surface, a recess top surface connecting from an upper end of the recess wall surface to the second wall surface, and a recess support surface facing the recess top surface in an axial direction.


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