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.:
Date of Patent:
Oct. 18, 2016
Filed:
Feb. 14, 2012
Takeshi Kirihara, Gumma, JP;
Takaya Kato, Gumma, JP;
Osamu Sekiguchi, Gumma, JP;
Norihisa Imaizumi, Gumma, JP;
Shoji Oiwa, Gumma, JP;
Takeshi Kirihara, Gumma, JP;
Takaya Kato, Gumma, JP;
Osamu Sekiguchi, Gumma, JP;
Norihisa Imaizumi, Gumma, JP;
Shoji Oiwa, Gumma, JP;
NIDEC SERVO CORPORATION, Gumma, JP;
Abstract
A rotary solenoid includes a swing yoke to which two magnets are fixed and a fixed yoke including projection portions at opposite sides thereof. An electromagnetic coil including a major magnetic pole is arranged at a center of the fixed yoke. The rotary solenoid is arranged to define a magnetic circuit extending through one of the magnets, the major magnetic pole, the fixed yoke, the projection portion, and the other magnet at a shortest distance.