PROBLEM TO BE SOLVED: To provide an electric interdental brush that can insert a brushing portion between teeth without trouble.SOLUTION: The electric interdental brush includes: a housing 1 with a brush body 2 an axial brush part 3 provided in an end part of the brush body 2 and an electric actuator 5 that is provided in the housing 1 and drives the brush part 3 in an interdental brushing direction. The electric interdental brush includes brush part driving devices 7, 2 that drive the end part of the brush part 3 in a plain surface in a direction perpendicular to an axial direction of the brush part based on movement of the electric actuator 5.COPYRIGHT: (C)2012,JPO&INPIT【課題】ブラシ部を歯間に支障なく挿入し得る電動歯間ブラシを提供する。【解決手段】ブラシ柄2を備えたハウジング1と、ブラシ柄2の先端部に設けられる軸状のブラシ部3と、ハウジング1内に設けられ、ブラシ部3を歯間刷掃方向に駆動する電動アクチュエーター5とを備えた電動歯間ブラシにおいて、電動アクチュエーター5の動作に基づいて、ブラシ部3の先端を、該ブラシ部の軸方向と直交する方向の平面内で駆動するブラシ部駆動装置7,2を備えた。【選択図】図2
