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    • 1. 发明专利
    • Electric toothbrush
    • 电动牙刷
    • JP2009219544A
    • 2009-10-01
    • JP2008064628
    • 2008-03-13
    • Omron Healthcare Co Ltdオムロンヘルスケア株式会社
    • IWAHORI TOSHIYUKIMIKI AKITOSHISHIMOYAMA ATSUSHITORIHAMA TAKASHI
    • A61C17/22
    • A61C17/16A61C17/3481
    • PROBLEM TO BE SOLVED: To provide an electric toothbrush having an eccentric shaft with variable resonant frequencies and vibration amplitude. SOLUTION: The electric toothbrush 1 comprises a motor 23, an eccentric shaft 100 fixed at one end to a rotary shaft 23a of the motor 23, and a stem 3 having a bearing 31 for supporting the other end of the eccentric shaft 100, the stem 31 serving as a vibration transmission component for transmitting the vibration generated as the eccentric shaft 100 rotates to a brush portion 41, wherein the eccentric shaft 100 is configured such that the center of gravity thereof is movable in the direction that causes the distance to the axial center to change and/or the axial direction. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供具有可变谐振频率和振幅的偏心轴的电动牙刷。 电动牙刷1包括马达23,一端固定在马达23的旋转轴23a上的偏心轴100以及具有用于支撑偏心轴100的另一端的轴承31的杆3 作为用于将偏心轴100旋转的振动传递到刷部41的振动传递部件的杆31,其中,偏心轴100的重心可以在导致距离的方向上移动 到轴心改变和/或轴向。 版权所有(C)2010,JPO&INPIT