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:
Nov. 23, 2010
Filed:
Jun. 26, 2007
Ken Matsubara, Matsubara, JP;
Tomofumi Takahashi, Kasugai, JP;
Tetsuo Horie, Kasugai, JP;
Minoru Kitabayashi, Kasugai, JP;
Ken Matsubara, Matsubara, JP;
Tomofumi Takahashi, Kasugai, JP;
Tetsuo Horie, Kasugai, JP;
Minoru Kitabayashi, Kasugai, JP;
JTEKT Corporation, Osaka-Shi, Osaka, JP;
Abstract
A rotary shaft of a rotor including a magnet with a plurality of magnetic poles arranged at equal intervals on an outer circumference is supported at both ends by bearings. By externally fitting the inner ring of one bearing to the rotary shaft and holding it to be immovable in an axial direction and loosely fitting the outer ring of the bearing into the support hole and positioning it with belleville springs which are in contact resiliently with both sides, the rotary shaft and the rotor are supported so that they are movable in an axial direction within a movement amount of not greater than 2 mm according to a movement of the bearing caused against spring forces of the belleville springs.