Patent ID: 6845537
Filing Date: 2005-01-25
Classification: A61C

Abstract:
1. A vibrating toothbrush comprising: an elongated hollow tube defining a toothbrush body having a top-head end and a bottom-seat end; a vibrating means disposed near said bottom-seat end inside said hollow tube wherein said vibrating means comprising a two-arm fork with a first fork and a second fork extended from a central portion wherein said first fork and second fork substantially extends semi-circularly opposite each other and having a first and second permanent magnets attached to an end of said first and second fork respectively; a vibrating lever arm mounted on said central portion of said vibrating means and extends therefrom toward said top-head end wherein said central portion rotating along a rotational axis defined by said vibrating lever arm; and a DC motor for rotating a vibrating driving shaft at a DC motor rotational frequency; said vibrating means further comprising a multiple-arm permanent magnet attached to and rotating with said vibrating driving shaft driven by said DC motor wherein said multiple-arm permanent magnet having a plurality of extended arms extended from said vibrating driving shaft toward and rotationally approaching said first and second permanent magnets for magnetically asserting a force on said two-arm fork for vibrating said two-arm fork and said vibrating lever arm attached thereto.