Patent ID: 6952855
Filing Date: 2005-10-11
Classification: A61C

Abstract:
1. A motorized electric toothbrush, comprising: a handle portion; an electric motor disposed within the handle portion; a head portion attached to the handle portion, the head portion including a bristle head driven by the motor; a switch for connecting the motor to an electric source, the switch having a first position for preventing motorized operation of the toothbrush, a second position for effecting motorized operation of the toothbrush, and a third position for automatically stopping motorized operation of the toothbrush, the switch being placed in the second position when a force is exerted on the bristle head in response to contact with an operator's teeth, and the switch being placed in the third position when the force on the bristle head exceeds a predetermined level; and an electronic controller configured to facilitate operation of the motor for a finite time after the switch is moved from the second position to the first position.