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    • 4. 发明授权
    • Fastener retention system
    • 紧固件保持系统
    • US06235073B1
    • 2001-05-22
    • US09438008
    • 1999-11-10
    • Robert A. BannisterMark V. HolzmannMichael J. Connor
    • Robert A. BannisterMark V. HolzmannMichael J. Connor
    • B01D5000
    • B01D46/2403B01D35/30B01D46/0005B01D2201/4076B01D2201/4084B01D2265/029B01D2275/208
    • A fastener retention system, including for a filter housing, applies an axial retention force in a plastic molded structure having a bore in a standing tower extending along an axis. A fastener extends axially in the bore and has a first axial end retained in the bore in snap fit relation, and a second distally opposite axial end extending axially beyond the bore for mating with a retaining member holding a cover on a base in a filter application in assembled condition. The fastener is secured to the tower in permanent snap fit relation. The fastener is axially slid into the bore before crystallization and hardening of the plastic. The fastener is axially trapped in the bore between spaced facing abutments, and is anti-rotationally keyed thereto.
    • 包括用于过滤器壳体的紧固件保持系统在塑料模制结构中施加轴向保持力,所述塑性模制结构具有沿轴线延伸的竖立塔中的孔。 紧固件在孔中轴向延伸并且具有以卡扣配合关系保持在孔中的第一轴向端,以及轴向延伸超过孔的第二远端相对轴向端,用于与在过滤器应用中保持在基座上的盖保持构件配合 在组装状态。 紧固件以永久卡扣配合关系固定在塔上。 在塑料的结晶和硬化之前,紧固件被轴向滑入孔中。 紧固件被轴向捕获在间隔开的相对的邻接处之间的孔中,并且与其反旋转地键合。