Tapered end stud and structure with tapered end bore to provide a wedging lock

Claim 1

THE COMBINATION WHICH COMPRISES A MEMBER OF SOLID SUBSTANTIALLY NON-EXPANDABLE STRUCTURE HAVING A TAPPED HOLE THEREIN, A SECOND MEMBER TO BE SECURED TO THE FIRST MEMBER AND HAVING A PLAIN THROUGH HOLE FOR ALIGNMENT WITH SAID TAPPEZD HOLE, A SOLID STUD-LIKE MEMBER THREADED ON BOTH ENDS WITH THE THREADS ON A FIRST END BEING UNINTERRUPTED AND FITTING SAID TAPED HOLE, A NUT TO FIT THE OPPOSITE END OF SAID STUD-LIKE MEMBER TO SECURE THE SECOND MEMBER TIGHTLY AGAINST THE FIRST MEMBER, THE THREADS IN SAID TAPPED HOLE BEING STRAIGHT THROUGHOUT THE GREATER PART OF THE LENGTH AND TAPERED ONLY ADJACENT ITS INNER END WHERE THE ROOTS OF THE THREADS FOLLOW THE CONTOUR OF A TRUNCATED CONE, THE STUD-LIKE MEMBER HAVING STRAIGHT THREADS THROUGHOUT MOST OF ITS LENGTH ON ITS SAID FIRST END AND BEING TAPERED ONLY ADJACENT ITS END PROVIDING THE CRESTS OF THE THREADS WITH A COMPLEMENTARY FRUSTO-