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:
Feb. 17, 2009
Filed:
Nov. 02, 2005
Yuji Shishido, Kanagawa, JP;
Takashi Mochida, Chiba, JP;
Yuji Shishido, Kanagawa, JP;
Takashi Mochida, Chiba, JP;
Sony Corporation, , JP;
Abstract
Disclosed herein is an automatic balancing device including a balancer made of a magnetic fluid, a rotatable enclosure having an outer circumferential wall and accommodating the balancer, a magnet provided near at least the center of rotation of the enclosure so as to be rotatable integrally with the enclosure, and a platelike projection projecting from the outer circumferential wall toward the center of rotation of the enclosure, at least a part of the platelike projection extending in a direction different from a radial direction of the enclosure at the juncture between the platelike projection and the outer circumferential wall.