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:
Jun. 15, 2010
Filed:
Mar. 03, 2008
Osamu Sekiguchi, Kiryu, JP;
Taro Tanno, Kiryu, JP;
Yoshihiko Kato, Kiryu, JP;
Tetsuya Hioki, Kiryu, JP;
Asahi Higo, Kiryu, JP;
Osamu Sekiguchi, Kiryu, JP;
Taro Tanno, Kiryu, JP;
Yoshihiko Kato, Kiryu, JP;
Tetsuya Hioki, Kiryu, JP;
Asahi Higo, Kiryu, JP;
Nidec Servo Corporation, Gumma, JP;
Abstract
A motor includes a rotor portion including a shaft and a rotor magnet rotatable about a center axis, an armature arranged opposite to the rotor magnet to generate a torque therebetween, a circuit board arranged below the armature in an axial direction substantially parallel to the center axis and including a control circuit controlling rotation of the rotor portion, and a base portion including a bearing holder which supports the armature on its outer side surface and the shaft on its inner side surface via a bearing member. The armature is pressed against the bearing holder in the axial direction with an elastic member.