Patent ID: 6725490
Filing Date: 2004-04-27
Classification: A46B,A61C

Abstract:
An electric toothbrush, comprising:a handle at a first end of the toothbrush having a motor disposed therein; a head at a second end of the toothbrush, the head having a longitudinal axis, the head having a first bristle holder with a plurality of bristle tufts and a second bristle holder with a plurality of bristle tufts; and a rotatable shaft operatively connected to the motor and having a longitudinal axis and a cam, wherein the cam engages the second bristle holder to move the second bristle holder in a direction generally perpendicular to the longitudinal axis of the rotatable shaft, and wherein the rotatable shaft engages the first bristle holder to oscillate or rotate the first bristle holder about an axis generally perpendicular to the longitudinal axis of the rotatable shaft, and wherein the second bristle holder moves in a direction general parallel with the axis of the first bristle holder.