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    • 8. 发明申请
    • NODAL MOUNTED SYSTEM FOR DRIVING A POWER APPLIANCE
    • 用于驱动电力设备的NODAL安装系统
    • US20080028547A1
    • 2008-02-07
    • US11872472
    • 2007-10-15
    • KEVIN MILLERJOHN PACEAAFKE KOSTER
    • KEVIN MILLERJOHN PACEAAFKE KOSTER
    • A46B13/02
    • A61C17/3418
    • The power toothbrush, which has a rotating brushhead movement, includes a housing with a motor mounted therein having an armature which in operation rotates through an arc of predetermined magnitude. The toothbrush also includes a brushhead mounted on a shaft which is connected to an output mass. A spring assembly couples the armature to the output mass, the spring assembly including two spring portions with a node point therebetween, wherein when the armature rotates, the brushhead moves in an opposite direction. The frequency of the movement of the armature is set equal to the resonant frequency of the spring coupling system and the output assembly.
    • 具有旋转刷头运动的动力牙刷包括具有安装在其中的电动机的壳体,其具有操作中的电枢旋转预定大小的弧度。 牙刷还包括安装在连接到输出质量块的轴上的刷头。 弹簧组件将电枢耦合到输出质量块,弹簧组件包括两个在其间具有节点的弹簧部分,其中当衔铁旋转时,刷头沿相反方向移动。 电枢的运动频率设定为等于弹簧联接系统和输出组件的共振频率。