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. 14, 2012
Filed:
Sep. 26, 2007
Kiminobu Yamamoto, Aichi, JP;
Tetsuji Kawazu, Aichi, JP;
Hiroshi Yoshikawa, Aichi, JP;
Kiyohiko Iwamoto, Aichi, JP;
Yoshiki Tanimura, Aichi, JP;
Kiminobu Yamamoto, Aichi, JP;
Tetsuji Kawazu, Aichi, JP;
Hiroshi Yoshikawa, Aichi, JP;
Kiyohiko Iwamoto, Aichi, JP;
Yoshiki Tanimura, Aichi, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A ceiling fan includes a motor for rotating multiple blades. This motor includes a hollow shaft that is disposed upright on the center of a disc-like stator, and a rotor around an outer periphery of the stator. The rotor integrally rotates with the blades. This motor further includes a cylindrical bearing housing, and a pair of ball bearings including an upper ball bearing and a lower ball bearing housed in this bearing housing. This bearing housing has a base in its center. The upper ball bearing is disposed over the base, and the lower ball bearing is disposed under the base in this bearing housing. Both bearings are fixed onto the hollow shaft.