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:
Jun. 06, 1995
Filed:
Dec. 13, 1993
Applicant:
Inventor:
Eiji Okada, Tokyo, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61C / ;
U.S. Cl.
CPC ...
433216 ; 433122 ; 15 221 ;
Abstract
A tooth-brushing method comprises the steps of: predeterming respective weights of an electric toothbrush and a heavy eccentric mass as well as a location of the center of gravity of the eccentric mass; establishing an output of a motor at about 7,000 rpm in accordance with the predetermined conditions; and, producing a vibration at about 7,000 rpm by actuating the motor, thereby brushing the teeth.