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    • 1. 发明授权
    • Stud
    • US11867221B2
    • 2024-01-09
    • US17299394
    • 2019-10-28
    • SAMSUNG ELECTRONICS CO., LTD.
    • Pil Yong OhJae Uk KwakJeong Ryeol Lee
    • F16B39/282F16B37/04
    • F16B39/282F16B37/048
    • The present disclosure relates to a stud improved to prevent loosening of the stud press-fitted into a sheet metal by increasing a resistance force against a torque.
      The stud includes a body provided to be inserted into a stud mounting hole formed on the sheet metal and formed with a screw thread to which a screw is fastened therein, a flange provided on one side of the body to have a larger diameter than the stud mounting hole and press-fitted into the sheet metal, and a rotation preventer protruding from the flange to have a diameter larger than the stud mounting hole and smaller than the flange and press-fitted into the sheet metal to prevent rotation of the stud, wherein the rotation preventer includes a plurality of rotation preventing protrusions having asymmetric shapes, and each of the plurality of rotation preventing protrusions includes a rotation preventing surface provided to be perpendicular to a tangent line of a circle connecting ends of the plurality of rotation preventing protrusions.