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:
Jul. 29, 1997
Filed:
Sep. 17, 1996
Applicant:
Inventor:
Matthias Hahn, Frankfurt, DE;
Assignee:
Rowenta Werke GmbH, Offenbach A.M., DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A46B / ;
U.S. Cl.
CPC ...
15 221 ; 151671 ; 601142 ; 601 70 ; 433216 ; 433122 ;
Abstract
An electric toothbrush having a handle with a cavity therein, a motor mounted in the cavity of the handle and having a rotatable shaft, a brush head, and a shaft arranged to connect the brush head to the handle. An eccentric weight is mounted to the motor shaft so as to rotate eccentrically when the motor shaft rotates so that the brush handle vibrates. A further weight is mounted to the shaft so as to be axially movable by a manipulator for adjusting vibration of the brush head.