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    • 10. 发明授权
    • Electric toothbrush
    • 电动牙刷
    • US06178579B2
    • 2001-01-30
    • US09382745
    • 1999-08-25
    • Lawrence A. BlausteinJohn R. NottinghamJohn OsherJohn W. SpirkDouglas A. Gall
    • Lawrence A. BlausteinJohn R. NottinghamJohn OsherJohn W. SpirkDouglas A. Gall
    • A46B1302
    • A61C17/34A61C17/22A61C17/26A61C17/3436A61C17/349B29L2031/425
    • An electric toothbrush comprising an elongated body portion and a head including a static portion and a circular portion, a handle, and an angled shaft between the head and the handle. The circular portion rotates or reciprocates about an axis normal to a longitudinal axis of the head. The circular portion includes stiff bristles and the static portion includes soft bristles. The elongated body portion is hollow and further includes a motor in the hollow portion, which is operatively connected to the circular portion for rotating or oscillating or reciprocating the circular portion. A battery is located within the hollow section for powering the motor. A switch is operatively connected to the motor to provide momentary and continuous operation of the toothbrush. A worm gear and a pair of step gears are located in the hollow portion. The motor is operatively connected to the worm gear and the step gears are operatively connected to the worm gear and to each other. One of the step gears is offset with respect to a longitudinal axis of the elongated body portion. A shaft which is operatively connected to the offset step gear and to a second end to the circular portion. Alternately, the toothbrush comprises a plurality of gears and swivel arms which move the brush head moving portion in a rotating, oscillating or reciprocating manner.
    • 一种电动牙刷,包括细长主体部分和头部,头部包括静止部分和圆形部分,手柄以及头部和手柄之间的成角度的轴。 圆形部分围绕与头部的纵向轴线垂直的轴线旋转或往复运动。 圆形部分包括刚毛,静态部分包括软毛。 细长主体部分是中空的,并且还包括在中空部分中的电动机,其可操作地连接到圆形部分,用于使圆形部分旋转或摆动或往复运动。 电池位于中空部分内,为电机供电。 开关可操作地连接到电动机以提供牙刷的瞬时和连续的操作。 蜗轮和一对踏齿齿轮位于中空部分。 马达可操作地连接到蜗轮,并且步进齿轮可操作地连接到蜗轮和彼此。 其中一个阶梯齿轮相对于细长主体部分的纵向轴线偏移。 轴,其可操作地连接到偏移步进齿轮,并连接到第二端到圆形部分。 或者,牙刷包括多个齿轮和旋转臂,其以旋转的,摆动的或往复的方式移动刷头移动部分。