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    • 6. 发明申请
    • FASTENER
    • 紧固件
    • US20130045062A1
    • 2013-02-21
    • US13308551
    • 2011-12-01
    • TAO TAOBO HONG
    • TAO TAOBO HONG
    • F16B35/02F16B29/00
    • F16B5/0266
    • A fastener includes a bolt, a ring engaged around the bolt, and a coil spring. The bolt includes a head, a threaded engaging portion, a shaft portion between the head and the threaded engaging portion, and a bottom flange extending radially and outwards from an end of the shaft portion connecting the threaded engaging portion.The shaft portion includes a main part connecting the head, a tail part connecting the bottom flange, and a guiding part connecting the main part and the tail part. A diameter of tail part is smaller than a diameter of the main part. A diameter of the guiding part increases from the tail part to the main part along an axial direction of the bolt. The coil spring coils the shaft portion and is sandwiched between the head of the bolt and the ring.
    • 紧固件包括螺栓,围绕螺栓接合的环和螺旋弹簧。 螺栓包括头部,螺纹接合部分,头部和螺纹接合部分之间的轴部分,以及从连接螺纹接合部分的轴部分的端部径向向外延伸的底部凸缘。 轴部包括连接头部的主要部分,连接底部凸缘的尾部和连接主要部分和尾部的引导部分。 尾部的直径小于主要部分的直径。 引导部分的直径沿着螺栓的轴向方向从尾部增加到主要部分。 螺旋弹簧将轴部分螺旋并夹在螺栓的头部和环之间。