< Topic >The plaque polishes and the reservoir easily in the toothbrush which such as reverse side of the molar is general and the dentition it is possible to make the brush hair to also the place arrive where it is easy to leave easily removal of the plaque and do the both of massage of the tooth stalk effectively and efficiently, furthermore, cost the electromotive toothbrush is offered low with simple structure.SolutionsAs it consists of with the abbreviation cylindrical substance section and frame 12, large number piling up the brush single unit of disk condition, it has the cylindrical rotary brush 14 which becomes for the Tip of frame, 12, inside the aforementioned itself section, it installs with the motor and the power source which turn eccentric weight, as for the aforementioned rotary brush, at the direction which crosses vis-a-vis the axis of frame 12 installing the axis of rotation in the Tip of frame, 12 the electromotive toothbrush 1 which features that it becomes.< Selective figure >Drawing 1【課題】奥歯や歯列の裏側等、歯垢が溜まりやすく一般的な歯ブラシでは磨き残し易い箇所にも容易にブラシ毛を到達させることができ、歯垢の除去と歯茎のマッサージの両方を効果的かつ効率的に行え、しかも、簡易な構造で低コストな電動歯ブラシを提供する。【解決手段】略円筒状の本体部と、軸部12とから成り、軸部12の先端には、円盤状のブラシ単体を多数枚重ねて成る円筒状の回転ブラシ14を備え、前記本体部の内部には、偏心ウエイトを回転させるモータと、電源とを設置するとともに、前記回転ブラシは、回転軸を軸部12の軸線に対して直交する方向にて軸部12の先端に取り付けて成ることを特徴とする電動歯ブラシ1。【選択図】図1
