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    • 9. 发明授权
    • Fastener
    • 紧固件
    • US07896597B2
    • 2011-03-01
    • US12238420
    • 2008-09-25
    • Feng HuGen-Ping DengChun-Chi Chen
    • Feng HuGen-Ping DengChun-Chi Chen
    • F16B39/22
    • F16B35/041F16B5/0275H01L23/4006H01L2924/0002Y10T403/335H01L2924/00
    • A fastener for fastening a heat sink to a printed circuit board via a back plate comprises a head and a shaft extending from the head. The shaft comprises a first and second engaging portions and a connecting portion therebetween. The first and second engaging portions have outer threads on exteriors thereof. Two cutouts are defined in the connecting portion. The back plate defines four thread holes machined with inner threads for engaging with the outer threads. In use of the fastener, an elastic force is produced to the fastener due to a deformation of the two cutouts during the threading. The elastic force helps the outer threads to have a secure engagement with the inner threads whereby the fastener can firmly engage with the back plate even when the fastener is subject to vibration or shock.
    • 用于通过背板将散热器固定到印刷电路板的紧固件包括头部和从头部延伸的轴。 轴包括第一和第二接合部分和它们之间的连接部分。 第一和第二接合部分在其外部具有外螺纹。 在连接部分中限定了两个切口。 后板限定了用内螺纹加工的四个螺纹孔,用于与外螺纹接合。 在紧固件的使用中,由于在穿线期间两个切口的变形,对紧固件产生弹性力。 弹性力有助于外螺纹与内螺纹的牢固接合,由此即使紧固件受到振动或冲击,紧固件也可以与背板牢固地接合。