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    • 10. 发明授权
    • Slide fastener for preventing jamming of foreign matter
    • 用于防止异物卡住的拉链
    • US4261082A
    • 1981-04-14
    • US63548
    • 1979-08-03
    • Minoru Kamiya
    • Minoru Kamiya
    • A44B19/26
    • A44B19/265Y10T24/2584
    • A slide fastener is provided with flanges projecting forwardly of the front or diverging end portion of a slider body to form a V-shape. The flanges define a pair of diagonal guide faces for guiding foreign matter inwardly toward the central bridge portion of the slider body. Fastener element-receiving openings are formed by the edges of the flanges which also form the guide faces. If foreign matter, such as waste thread, is lodged between teeth of the fastener elements, it is guided along the slider guide faces from the outer edge of the slider to the central bridge thus removing the foreign matter. As a result, jamming of the slider is prevented.
    • 拉链设置有在滑块体的前部或发散端部的前方突出以形成V形的凸缘。 凸缘限定一对对角引导面,用于将异物向内导向滑块体的中心桥部分。 紧固件元件接收开口由也形成导向面的凸缘的边缘形成。 如果诸如废线的异物被卡在紧固元件的齿之间,则其沿着滑块引导面从滑块的外边缘被引导到中心桥,从而除去异物。 结果,防止滑块的卡住。