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    • 10. 发明授权
    • Fluid-dispensing and refilling system for a power toothbrush
    • 动力牙刷的流体分配和补充系统
    • US06808331B2
    • 2004-10-26
    • US10662254
    • 2003-09-15
    • Scott E. HallJames N. LarimerKevin MillerRichard TaylorKevin T. Underwood
    • Scott E. HallJames N. LarimerKevin MillerRichard TaylorKevin T. Underwood
    • B43K504
    • A61C17/36
    • The fluid delivery/refilling system includes a unit-of-use fluid reservoir for dentifrice or medication within a head portion of a power toothbrush, which is removable from the remainder thereof. A pump element is located in the brushhead and is configured so that the back and forth movement of the brushhead in operation results in fluid moving from the reservoir to a dispensing valve located in the brushhead. The dispensing valve has an end portion which is normally closed, opening under pressure of fluid from the pump. The refilling assembly is separate from the toothbrush and is configured to fit over the top of the toothbrush. Upward pressure exerted on the toothbrush when the toothbrush is within the refilling assembly results in movement of a core element in the refilling assembly, which in turn results in a hollow needle in the refilling assembly extending into a refiller valve in the head portion of the toothbrush. This results in a fluid path between the refilling assembly and the reservoir in the toothbrush. A selected sequence of movement of the toothbrush relative to the refilling results in fluid being moved from the external reservoir through the needle into the on-board unit-of-use reservoir in the toothbrush.
    • 流体输送/再填充系统包括用于牙刷或药剂的单位用流体储存器,其在动力牙刷的头部中,其可从其余部分移除。 泵元件位于刷头中并且构造成使得在操作中刷头的前后运动导致流体从储存器移动到位于刷头中的分配阀。 分配阀具有通常关闭的端部,在来自泵的流体的压力下打开。 重新填充组件与牙刷分离并且被配置成配合在牙刷的顶部上方。 当牙刷在再填充组件内时,施加在牙刷上的向上压力导致芯元件在重新填充组件中的移动,这又导致重新填充组件中的中空针头延伸到牙刷头部中的再填充阀中 。 这导致补充组件和牙刷中的储存器之间的流体路径。 牙刷相对于再填充的选择的运动顺序导致流体从外部储存器通过针移动到牙刷中的车载单元使用储存器中。