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    Automatic cleaning device
    2.
    发明授权
    Automatic cleaning device 失效
    自动清洗装置

    公开(公告)号：US4845795A

    公开(公告)日：1989-07-11

    申请号：US265311

    申请日：1988-10-25

    申请人： Alan D. Crawford ,  Allan B. Johnson ,  John M. Trenary

    发明人： Alan D. Crawford ,  Allan B. Johnson ,  John M. Trenary

    IPC分类号： A46B3/06 ,  A46B7/04 ,  A46B9/04 ,  A46D3/04 ,  A61C17/34 ,  H02J7/00

    CPC分类号： A46B3/06 ,  A46B7/04 ,  A46B9/04 ,  A46D3/04 ,  A61C17/34 ,  H02J7/0045 ,  A46B2200/1066 ,  Y10T74/18096

    摘要： A periodontal cleaning device including a hollow housing having a handle member and a brush head member. The brush head includes a gear train reciprocally driven by a rack. The gear train includes at least one drive gear engageable by the rack which in turn drives a plurality of series interconnected driven gears. The drive gear includes one portion engaged by the rack and another portion engaged by an adjacent driven gear. An axial width of a gear portion of the drive gear is greater than the axial width of gear portions of the driven gears so that in operation, the rack does not engage the driven gears. The drive and driven gears each include a tuft holder by which bristles are removably held.

    摘要翻译： 一种牙周清洁装置，包括具有手柄构件和刷头构件的中空壳体。 刷头包括由齿条往复驱动的齿轮系。 齿轮系包括至少一个可由齿条接合的驱动齿轮，该驱动齿轮又驱动多个串联的从动齿轮。 驱动齿轮包括由齿条接合的一部分和由相邻从动齿轮啮合的另一部分。 驱动齿轮的齿轮部分的轴向宽度大于从动齿轮的齿轮部分的轴向宽度，使得在操作中，齿条不接合从动齿轮。 驱动齿轮和从动齿轮各自包括刷毛保持器，通过刷毛束夹持器可刷地保持刷毛。