Dual-washer type hexagonal head bolt

Dual-washer type hexagonal head bolt

  • CN 105,972,040 A
  • Filed: 07/06/2016
  • Published: 09/28/2016
  • Est. Priority Date: 07/06/2016
  • Status: Active Application
First Claim
Patent Images

1. a double washer type hexagon-headed bolt, it is characterized in that, including:

  • screw head and screw rod, described screw rod is provided with the end of thread and smooth end, the outer surface of the described end of thread offers screw thread, on described smooth end, at described screw head, it is provided with taper elastic washer, on described smooth end, at the described end of thread, is provided with plain washer;

    Described taper elastic washer includes;

    opening and bullet, and it is 4 ~ 6 °

    that the angle between outer face and the outer inclined-plane of described bullet of described opening is designated as the angular range of α

    , α

    .

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