ELECTRICALLY OPERATING TOOTHBRUSH WHICH CLEANS SIMULTANEOUSLY THE FRONT AND THE REAR OF THE TEETH

摘要

PURPOSE: A power toothbrush is provided to improve the convenience of tooth brushing and to reducing tooth brushing time. CONSTITUTION: A power toothbrush comprises a handle(20), a cylindrical brush installation unit(21), a drive motor, and two cylindrical brushes(22). A drive motor and a storage battery are built inside the handle. The brush installation unit is combined with the handle and forms a lower cover on the bottom thereof. Two cylindrical brushes are pivotally installed in the cylindrical brush installation unit. Two cylindrical brushes are separated from each other at an interval corresponding to the thickness of a tooth. A power transmission device is installed between the output shaft of the drive motor and two cylindrical brushes.