Thread locking/prevailing torque fastener and fastener assembly

Thread locking/prevailing torque fastener and fastener assembly

  • CN 101,855,463 A
  • Filed: 08/11/2008
  • Published: 10/06/2010
  • Est. Priority Date: 08/13/2007
  • Status: Active Application
First Claim
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1. thread lock fastening piece, comprise bar, described bar comprises bar core and the screw thread with longitudinal axis, and the thread form of described screw thread provides in axial cross section:

  • the inside base portion in footpath that rigidity is higher relatively, and it extends to described axis from described bar core and separates and parallel virtual reference line;

    The outside crest in deflectable footpath, it extends to the tip of described screw thread from described reference line, described base portion and crest are by extending to the screw thread guide face at described tip from described bar core and defining from face, described have the inner radial that extends to described reference line from described bar core to divide and extend to from described reference line the radially outer branch at described tip from mask, described inner radial is divided and the radially outer branch defines the interior angle of spending less than 180, make when utilizing the power of selecting against the guide face towing of nut anchor log screw thread described during from face, described crest deflection, thus described interior angle increased.

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