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    • 6. 发明授权
    • Toothbrush for canines
    • 犬齿牙刷
    • US4031587A
    • 1977-06-28
    • US599579
    • 1975-07-28
    • Ursula Dietrich
    • Ursula Dietrich
    • A46B9/04
    • A46B9/04A46B2200/1066
    • A toothbrush adapted to conform to the shape of the canine jaw and the teeth therein. The toothbrush includes a handle of suitable length to which are attached at least three rows of bristles, wherein a portion of the central row is shorter than the adjacent outer rows thereby defining an axial trough. The ends of the bristles for engaging the teeth define a contour having a peak adjacent to the end of the handle formed of at least one tuft of bristles from each row, a depression adjacent to the peak formed by at least the two outer rows of bristles, and a uniform slope increasing in height to the neck of the handle. The bristles are arranged in tightly clustered tufts which contribute to the stiffness and durability thereof. The shape of the brush promotes the simultaneous cleaning of the cuspid-type and molar-type teeth in the long narrow canine jaw.
    • 一种适合于符合犬颚形状和其中牙齿的牙刷。 牙刷包括具有适当长度的手柄,至少连接三排刷毛,其中中心排的一部分比相邻的外排短,从而限定轴向槽。 用于接合牙齿的刷毛的端部限定了一个轮廓,其轮廓具有与从每排形成的至少一个刷毛簇的手柄的端部相邻的尖端,与由至少两个外部刷毛刷形成的峰部相邻的凹陷 ,并且在手柄的颈部具有高度增加的均匀斜率。 刷毛被布置成紧密聚簇的簇,其有助于其刚度和耐久性。 刷子的形状促进同时清洁长狭窄的犬爪中的尖牙型和摩擦型牙齿。