| 摘要 |
The present invention relates to an electromotive toothbrush and more particularly, to an electromotive toothbrush, comprising upper and lower tooth covers surrounding and covering upper and lower teeth, respectively, and having bristles formed at a surface contacting the teeth; a first driving rod combined with a surface of the upper and lower tooth covers where there are no bristles; a second driving rod combined with a left side of a surface of the upper and lower tooth covers where there are bristles; a third driving rod combined with a left side of a surface of the upper and lower tooth covers where there are bristles; a plurality of sensors independently sensing positions of the first, second, and third driving rods; reciprocation means driving the first driving rod and the second and third driving rods in opposite directions to move the upper and lower tooth covers in opposite directions and thereby clean the teeth, the reciprocation means driven by power supplied from a motor, in response to position information sensed by the plurality of sensors. |
