Fastening device

Claim 1

A FASTENER DEVICE COMPRISING, IN COMBINATION AN ELONGATED BODY MEMBER HAVING A BORE EXTENDING GENERALLY LONGITUDINALLY THERETHROUGH WITH ONE END PORTION OF THE BORE HAVING A SMALLER CROSS-SECTIONAL AREA THAN THE OTHER END PORTION THEREOF AND AN ANNULAR SURFACE DISPOSED INTERMEDIATE THE DIFFERENTIAL CROSSSECTIONAL AREA PORTIONS OF THE BODY MEMBER, SAID ONE END PORTION OF SAID BORE BEING INTERNALLY THREADED, SAID SURFACE OF THE BODY MEMBER BEING TAPERED AND DISPOSED AT AN ANGLE OF APPROXIMATELY BETWEEN 20*30* RELATIVE TO A LATERAL PLANE PASSING NORMAL TO THE LONGUTINAL AXIS OF THE BODY MEMBER, SAID SURFACE FURTHER HAVING GROOVE MEANS DEFINED BY CIRCUMFERENTIALLY SPACED APART SIDE PORTIONS AND A BOTTIONS TOGETHER WITH THE GROOVE MEANS EXTENDING GENERALLY RADIALLY THROUGH THE FULL LONGITUDINAL EXTENT OF ERALLY RADIALLY THROUGH THE FULL LONGUDINAL EXTENT OF SAID SURFACE FROM THE INTERNAL THREADED END PORTION OF THE BORE OF THE LARGER CROSS-SECTIONAL AREA OF THE OTHER END PORTION OF THE BODY MEMBER, THE BOTTOM PORTION OF THE GROOVE MEANS BEING DISPOSED AT AN ANGLE OF APPROXIMATELY BETWEEN 25*-35* RELATIVE TO THE LATERAL PLANE WHICH PASSES NORMAL TO THE LONGITUDINAL AXIS OF THE BODY MEMBER WITH THE INCLINATION OF THE BOTTOM PORTION OF THE GROOVE MEANS RELATIVE TO THE LONGITUDINAL AXIS OF THE BODY MEMBER BEING APPROXIMATELY 5* GREATER THAN THE INCLINATION OF SAID TAPERED SURFACE THERETO, A DEFORMABLE WASHER DISPOSED I NTHE LARGER CROSS-SECTINAL AREA OF THE OTHER END PORTION OF THE BORE IN BODY MEMBER IN ENGAGEMENT WITH THE ANNULAR SURFACE, WHEREBY A PORTION OF SAID WASHER WILL BE DEFORMED ON THE THREADING ENGAGEMENT OF THE INTERNALLY THREADED END PORTION OF THE BODY MEMBER TO COOPERATING THREADS OF AN EXTERNALLY THREADED ELEMENT AND BE URGED BETWEEN THE THREADS TO EFFECTIVELY LOCK THE FASTENER DEVICE BETWEEN THE FASTENER DEVICE AND SUCH ELEMENT AND FURTHER TO EFFECTIVELY CREATE A SEAL BETWEEN THE COOPERATING THREADS.