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:
Jan. 08, 2019

Filed:

Jun. 10, 2015
Applicant:

Kabushiki Kaisha Tokai Rika Denki Seisakusho, Aichi, JP;

Inventors:

Koji Saito, Aichi, JP;

Yoshikazu Kataoka, Aichi, JP;

Tadashi Usuya, Aichi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 5/14 (2006.01); H01H 25/04 (2006.01); H01H 19/00 (2006.01); B60Q 1/14 (2006.01);
U.S. Cl.
CPC ...
H01H 25/04 (2013.01); B60Q 1/1469 (2013.01); G01D 5/14 (2013.01); G01D 5/145 (2013.01); H01H 19/00 (2013.01);
Abstract

A rotational movement detection device includes a rotating member including a through hole passing therethrough from a first surface to a second surface opposite the first surface, the rotating member rotating around the through hole to generate a magnetic field around the rotating member, a rotation angle detection part that detects a rotation angle of the rotating member, a movement detection part that detects a movement along a rotational axis of the rotating member, and a holding part including a guide part and an arrangement part formed integrally therein, the guide part being inserted into the through hole to guide the rotation of the rotating member and to hold the rotating member, the arrangement part having thereon the movement detection part arranged facing a side surface of the rotating member.


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