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    • 8. 发明申请
    • Electric toothbrush
    • 电动牙刷
    • US20050055784A1
    • 2005-03-17
    • US10924662
    • 2004-08-24
    • James Wong
    • James Wong
    • A61C17/34A61C17/22
    • A61C17/3436A61C17/349
    • An electric toothbrush includes a casing having a handle and a neck extending from the handle. A motor is situated within the handle and has an output shaft with an eccentric cam on it. A tuft block is located at a remote end of the neck. A rocker arm extends longitudinally within the neck and has a proximal end driven by the cam, and a distal end driving the tuft block. A resilient bushing is sealed within the neck and intermediate-portion of the rocker arm extends through it in sealed manner to allow pivoting of the rocker arm across the bushing.
    • 电动牙刷包括具有手柄和从手柄延伸的颈部的壳体。 电机位于手柄内,并具有输出轴,带有偏心凸轮。 一个刷毛簇位于颈部的远端。 摇臂在颈部内纵向延伸并具有由凸轮驱动的近端,以及驱动刷毛簇的远端。 弹性衬套被密封在颈部内,并且摇臂的中间部分以密封的方式延伸穿过它,以允许摇臂跨越衬套枢转。