Power toothbrush
Published • Mar 27, 2003
Authors:,,
Hartman Frederick R.
Tessarotto Luiz Arthur Bonaci
Hull Raymond J.
Abstract
A power toothbrush has an elongated body defining a handle and containing a power source, a stepper motor and an electronic controller; an elongated housing having bristles at the end thereof, and means for operatively connecting the output shaft of the stepper motor to the housing. The stepper moto...
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