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:
Aug. 02, 2011
Filed:
Mar. 19, 2008
Hitoshi Takaki, Kyoto, JP;
Yusuke Iwai, Kyoto, JP;
Satoru Kuramoto, Kyoto, JP;
Tatsuya Tatara, Kyoto, JP;
Hitoshi Takaki, Kyoto, JP;
Yusuke Iwai, Kyoto, JP;
Satoru Kuramoto, Kyoto, JP;
Tatsuya Tatara, Kyoto, JP;
Nidec Corporation, Kyoto, JP;
Abstract
In a motor including a chucking device for detachably holding a disk, the chucking device has a center case to which a central opening of the disk is inserted; resilient members received within the center case; and claw members for holding the disk in place. Each of the claw members has a claw portion having a disk holding surface for holding the disk in place and a pair of wing portions extending radially inwardly from the claw portion. Further, each of the wing portions has a spherical contact surface contacting with a underlying part arranged axially below the wing portions.