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Multi-piece fastener with self-indexing nut

  • US 8,555,481 B2
  • Filed: 03/05/2012
  • Issued: 10/15/2013
  • Est. Priority Date: 09/02/2005
  • Status: Active Grant
First Claim
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1. A method of coupling a first member to a second member, comprising:

  • positioning a threaded head fastener having a top end and a bottom end over a hole extending through the first member and the second member, such that the bottom end is proximate an outer surface of the first member, the threaded head fastener comprising a stop indentation in an outer surface of the top end;

    providing a cylindrical stud having a first end face, a second end face, a first threaded area spaced from said first end face and extending to an unthreaded central area, a second threaded area spaced from said second end face and extending to said unthreaded central area, and an unthreaded stop projection area extending between said second threaded area and said second end face, said unthreaded stop projection area having a stop projection;

    rotating the threaded head fastener around the second threaded area until the stop projection engages with the stop indentation in the outer surface of the top end of the threaded head fastener to prevent rotation of the threaded head fastener with respect to the cylindrical stud;

    rotating a threaded tail fastener around the first threaded area; and

    engaging a wrenching feature positioned adjacent to and affixed to the first end face of the cylindrical stud to restrain the cylindrical stud while the threaded tail fastener is rotated.

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