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    • 9. 发明授权
    • Rotary electric toothbrush with stroke-type bristle movement
    • 旋转式电动牙刷,带中风型刷毛机芯
    • US5974615A
    • 1999-11-02
    • US739092
    • 1996-10-28
    • Armin Schwarz-HartmannKarl HerzogPeter Hilfinger
    • Armin Schwarz-HartmannKarl HerzogPeter Hilfinger
    • A61C17/22A61C17/00A61C17/26A61C17/34A46B13/02
    • A61C17/3472A61C17/3427A61C17/3436Y10T74/1804
    • An electric toothbrush (1) is described which incorporates a handle (2) and a brush attachment (3). The handle (2) houses an electric motor (8). Protruding from the handle (2) is a shaft (20), which is coupled to the electric motor (8). The brush attachment (3) can be mounted on the handle (2). The brush attachment (3) supports a bristle head (26) which can be coupled to the shaft (20), and from which protrude a multiplicity of bristles (4). In the operating mode, the bristle head (26) describes a rotary motion (49) and a stroke motion (50), with the frequency of the stroke movement (50) being higher, and preferably substantially higher, than the frequency of the rotary movement (49.) The stroke movement (50) provides a poking action of the bristles (4), which serves to loosen plaque from dental surfaces. The rotary movement (49) serves to wipe away plaque loosened from the dental surfaces.
    • 描述了一种电动牙刷(1),其包括手柄(2)和刷子附件(3)。 手柄(2)容纳电动机(8)。 从手柄(2)突出的是轴(20),其连接到电动机(8)。 刷子附件(3)可以安装在手柄(2)上。 刷子附件(3)支撑可与轴(20)联接的刷毛头(26),并从中突出多个刷毛(4)。 在操作模式中,刷毛头(26)描述了旋转运动(49)和冲程运动(50),其中行程运动(50)的频率比旋转运动(50)的频率高,优选地大大高于旋转运动 运动(49.)行程运动(50)提供刷毛(4)的戳动作用,其用于从牙齿表面松开斑块。 旋转运动(49)用于擦拭从牙齿表面松动的牙斑。