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. 22, 2022

Filed:

Mar. 23, 2018
Applicant:

Nidec Sankyo Corporation, Nagano, JP;

Inventors:

Hiroshi Kitahara, Nagano, JP;

Tadashi Takeda, Nagano, JP;

Masao Tsuchihashi, Nagano, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 33/12 (2006.01); H02K 33/18 (2006.01); B06B 1/04 (2006.01);
U.S. Cl.
CPC ...
H02K 33/12 (2013.01); H02K 33/18 (2013.01); B06B 1/045 (2013.01);
Abstract

Each of holders which holds a coil or a magnet used in a magnetic drive circuit, in a stacked manner in a first direction without causing rattling in an actuator (), a first coil holder () of a first magnetic drive circuit (), a second coil holder () of a second magnetic drive circuit (), and a third coil holder () of a third magnetic drive circuit () are arranged in a stacked manner in a Z direction, and the first coil holder, the second coil holder, and the third coil holder are fastened in the Z direction by a restraining member (). Thus, the first coil holder, the second coil holder, and the third coil holder can be arranged in a stacked manner in the Z direction without causing rattling. The restraining member is constituted by a first member () and a second member () having the same configuration, including size and shape.


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