Prevailing torque lock nut

Claim 1

IN A PREVAILING TORQUE LOCK NUT, A POLYGONAL NUT BODY HAVING A THREADED BORE AND A TAPERED FRUSTO-CONICAL CROWN AT ONE END THEREOF, EACH FILAMENT OF THE ENTIRE CIRCUMFERENTIAL OUTER SURFACE OF SAID CROWN EXTENDING FROM THE SIDES OF SAID NUT BODY TO THE END OF SAID CROWN ADJACENT SAID THREADED BORE IN A SUBSTANTIALLY DIRECT LINE THEREBETWEEN, THE WALL OF SAID CROWN BEING INDENTED AT SELECTED AREAS AND THEREBY HAVING A PLURALITY OF SUBSTANTIALLY RADIALLY INWARDLY DIRECTED IMPACTED PORTIONS FORMING AREAS OF RELATIVELY GREATER DENSITY AND RESILIENCY, SAID IMPACTED PORTIONS COMPRISING AT LEAST TWO IMPACTED AREAS DISTRIBUTED ABOUT THE OUTER CIRCUMFERENTIAL SURFACE OF SAID CROWN IN A GEOMETRICAL SYMMERTIC PATTERN WHEREBY THE STRAINS GENERATED BY THE RADIALLY INWARDLY DIRECTED IMPACTED PORTIONS ARE SUBSTANTIALLY BALANCED ABOUT THE AXIS OF THE NUT, EACH OF SAID IMPACTED PORTIONS HAVING A SUBSTANTIALLY CONTINUOUS BOTTOM SURFACE LYING INWARDLY OF THE OUTER SURFACE OF THE CROWN, AN UPPER EDGE TERMINATING ADJACENT THE UPPER END OF SAID CROWN, AND SIDE AND BOTTOM EDGES TERMINATING SUBSTANTIALLY FLUSH WITH AND ADJACENT THE SIDES OF SAID NUT BODY, SAID IMPACTED PORTIONS HAVING A GREATER INTRUSION ADJACENT SAID CROWN UPPER END, EACH OF SAID INTRUSIONS DIMISHING TO A SUBSTANTIAL COINCIDENCE WITH THE PLANE OF SAID CROWN WALL SURFACE ADJACENT THE SIDES OF SAID NUT BODY, THE WIDTH OF SAID INTRUSIONS ADJACENT THE UPPER END OF SAID CROWN BEING GREATER THEN AND TAPERING TOWARD A SOMEWHAT NARROWER WIDTH AT THE LOWER END OF SAID INTRUSIONS ADJACENT SAID SIDES, SAID CROWN WALL HAVING A TAPER ANGLE OF FROM APPROXIMATELY 20* TO 45* TO THE VERTICAL AXIS OF THE NUT, THE AREAS OF LESSER DENSITY INTERMEDIATE SAID IMPACTED PORTIONS PROVIDING AN ELASTIC RESILIENT COMPONENT THEREFOR, THE THREADED PORTIONS ADJACENT TO AND IN THE RADIAL AND AXIAL PATH OF SAID INWARDLY IMPACTED PORTIONS BEING DISPLACED INWARDLY OF SAID BORE.