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    • 63. 发明公开
    • FASTENER
    • BEFESTIGUNGSELEMENT
    • EP1922491A4
    • 2009-05-27
    • EP06721402
    • 2006-04-18
    • BRIAN INVESTMENTS PTY LTD
    • DAVIES BRIAN
    • F16B5/00F16B5/04F16B13/06F16B13/12F16B19/10F16B21/16
    • F16B2/16F16B13/126F16B19/1081F16B19/109Y10T29/49Y10T29/49826Y10T29/49947Y10T29/53
    • A fastener for fastening at least two work pieces together comprises a body and a pin. The body has a head, a shaft extending from the head and an open hollow core extending into the shaft. The shaft has a retaining means spaced from the head to accommodate the work pieces. The retaining means has a contracted configuration where it is sized to pass through holes in the work pieces and an expanded configuration where it is expanded in size or spacing such that the shaft is unable to be removed from the holes in the work pieces. The retaining means defines a constriction in the core at which the core has a first width when the retaining means is in its contracted configuration. The pin is locatable in the core. The pin has a least a first portion with an external width greater than the first width of the core. The pin is movable within the core and is arranged to cause the retaining means to change to the expanded configuration as the first portion of the pin moves into contact with the constriction. In use, the body is inserted through the holes in the work pieces such that the shaft extends through the hole in at least a second of the work pieces and then pin is subsequently driven through the core such that the first portion of the pin contacts the constriction in the core thereby causing the retaining means to expand to retain the work pieces together between the head and the expanded retaining means.
    • 用于将至少两个工件紧固在一起的紧固件包括主体和销。 身体有一个头部,一个从头部伸出的轴和一个延伸到轴中的敞开的空心。 轴具有与头部间隔开以容纳工件的保持装置。 保持装置具有收缩构造,其尺寸设计成穿过工件中的孔,以及膨胀构造,其尺寸或间隔扩大,从而不能从工件中的孔移除轴。 当保持装置处于其收缩构型时,保持装置在芯部处限定一个缩颈,在该缩颈处芯部具有第一宽度。 该引脚位于核心。 销具有至少第一部分,其外部宽度大于芯的第一宽度。 销可在芯部内移动并且被布置成当销的第一部分移动到与收缩部接触时使保持装置变成扩张构造。 在使用中,主体通过工件中的孔插入,使得轴延伸穿过工件中的至少第二工件中的孔,然后销被驱动通过芯,使得销的第一部分接触 因此导致保持装置膨胀以将工件一起保持在头部和膨胀的保持装置之间。