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:
Sep. 09, 2014
Filed:
Feb. 27, 2009
Kiminobu Yamamoto, Shiga, JP;
Tetsuji Kawazu, Osaka, JP;
Hiroshi Yoshikawa, Aichi, JP;
Kiyohiko Iwamoto, Aichi, JP;
Kiminobu Yamamoto, Shiga, JP;
Tetsuji Kawazu, Osaka, JP;
Hiroshi Yoshikawa, Aichi, JP;
Kiyohiko Iwamoto, Aichi, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A ceiling fan includes a motor which rotates a plurality of blades, a shaft projecting from the motor, a pipe connected to an upper end of the shaft and which hangs from a ceiling surface, and a connecting rod for connecting the pipe and the shaft with each other via through holes formed in the pipe and the shaft, respectively. The ceiling fan also includes a displacement-correspondence tool which is displaced or which detects a displacement amount in correspondence with a relative positional displacement amount between the shaft and the pipe, and a power source control tool which controls energization to the motor in accordance with the displacement of the displacement-correspondence tool or the detected displacement amount.