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    • 66. 发明授权
    • Contouring toothbrush head
    • 轮廓牙刷头
    • US06314606B1
    • 2001-11-13
    • US09422953
    • 1999-10-22
    • Douglas J. Hohlbein
    • Douglas J. Hohlbein
    • A46B904
    • A46B7/06A46B5/0025A46B9/026A46B9/04A46B9/045A46B2200/1066B29L2031/425Y10S16/902
    • A toothbrush having two head sections, the sections being normally biased to assume an angle with respect to each other, to thereby define a generally concave bristle tip configuration. The two sections of the head have facing ends joined by a thin bridge section integral with the two heads. In one embodiment, there is one bridge section near the lower surface of the head. In another embodiment, there are two longitudinally spaced bridge sections each near the lower head surface. In a third embodiment, the bridge section is a thin integral connection between facing ends of the two sections. In other embodiments, the two head sections are normally aligned and are also joined by a thin, integral bridge section, with the bristles of the head section most remote from the handle being of uniformly different lengths. The space between the two facing ends is filled with an elastomer, typically SANTOPRENE (brand). The two head sections define an articulated head. In yet another embodiment, the bridge section is omitted.
    • 具有两个头部部分的牙刷,所述部分通常被偏置以相对于彼此呈一角度,从而限定大体上凹形的刷毛尖端构型。 头部的两个部分具有通过与两个头部成一体的薄桥部分连接的朝向端部。 在一个实施例中,在头部的下表面附近有一个桥接部分。 在另一个实施例中,在下头部表面附近有两个纵向隔开的桥接部分。 在第三实施例中,桥接部分是在两个部分的相对端部之间的薄的整体连接。 在其他实施例中,两个头部部分通常对齐并且还通过薄的整体桥接部分连接,头部部分的刷毛最远离手柄具有均匀不同的长度。 两个相对端之间的空间填充有弹性体,通常为SANTOPRENE(品牌)。 两个头部部分限定铰接头部。 在另一个实施例中,省略了桥接部分。