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:
Dec. 10, 2013
Filed:
Mar. 19, 2009
Masaru Ishikawa, Kiryu, JP;
Kenji Sakata, Kiryu, JP;
Masaru Ishikawa, Kiryu, JP;
Kenji Sakata, Kiryu, JP;
Mitsuba Corporation, Kiryu-shi, Gunma, JP;
Abstract
A motorincludes: a yoke on whose inner surface a four-pole magnet is attached; a gear casejointed to an opening portion of the yoke and storing a speed-reduction mechanism; a brush holderstored in an opening portionof the gear case and having a through holepenetrated by a commutatorattached to an armature shaftin a center of the brush holder; and a first brush, a second brush, and a third brushwhich are stored so as to freely come in and out to/from three brush storing portions, andformed so as to interpose the through holein the brush holder. In the motor, the second brushis arranged at a position shifted from the first brushin a rotational direction by 90 degrees, and a third brushis arranged within an included angle opposite to an included angle formed by the first brushand the second brush
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile