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:
Jan. 12, 2010
Filed:
Dec. 21, 2007
Hiroaki Shimizu, Hikone, JP;
Tomohiro Kunita, Hikone, JP;
Shinichi Taniguchi, Hikone, JP;
Suehisa Kishimoto, Hikone, JP;
Takahiro Nishinaka, Omihachiman, JP;
Hiroaki Shimizu, Hikone, JP;
Tomohiro Kunita, Hikone, JP;
Shinichi Taniguchi, Hikone, JP;
Suehisa Kishimoto, Hikone, JP;
Takahiro Nishinaka, Omihachiman, JP;
Matsushita Electric Works, Ltd., Osaka, JP;
Abstract
An actuator includes a shaft supported in such a manner as to make axial reciprocating movement or rotational reciprocating movement around longitudinal axis thereof, and an electricity conducting member for making contact with the shaft at a plurality of points on a circumferential surface of the shaft used as an electricity conducting path leading to other members. Further, an electric toothbrush includes the actuator as a drive power source for a brush body, and the brush body is adapted to be supplied with an electric current through the shaft.