作者: Eckard Hundhausen , Walter Kolb
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摘要: A hose coupling with male and female parts; the part having a double conical bead for being engaged by fingers on part; have notches formed of cooperatingly sloped surfaces which receive bead; external are obliquely sloped; sleeve surrounds it has surface engaging outer fingers; as parts pressed together, forces outward cooperating cause to shift along permit move part, snaps into in fingers.