Self-locking nut and bolt unit

Claim 1

A NUT AND BOLT UNIT, COMPRISING: A BOLT MEMBER HAVING AN EXTERNALLY THREADED PORTION AND AN ADJACENT FLANGE PORTION HAVING ADJACENT, AXIAL, SAW-TOOTH LIKE LOCKING SERRATIONS THEREON EXTENDING THROUGHOUT ITS ENTIRE OUTER PERIPHERY, THE DIAMETER OF THE LOCKING SERRATIONS BEING DIFFERENT FROM THE DIAMETER OF THE THREADED PORTION, SAID FLANGE BEING SEPARATED FROM THE THREADED PORTION BY A CIRCUMFERENTIAL GROOVE; A NUT MEMBER HAVING THREADS IN AN INTERIOR PORTION THEREOF THAT MATE WITH THE THREADS ON THE BOLT MEMBER, SAID NUT MEMBER INCLUDING AN EXTENSION HAVING AN INWARDLY EXTENDING FLANGE AT ONE EXTREMITY WITH SAW-TOOTH LIKE LOCKING SERRATIONS THEREON EXTENDING THROUGHOUT ITS ENTIRE INNER PERIPHERY AND ADAPTED TO ENGAGE THE LOCKING SERRATIONS ON THE BOLT FLANGE; ONE OF SAID MEMBERS HAVING CIRCUMFERENTIALLY SPACED, AXIALLY DIRECTED SLOTS EXTENDING FROM ONE END THEREOF TO PROVIDE RESILIENT FINGERS, SAID SLOTS BEING SPACED TO INCLUDE A MULTIPLICITY OF SAID AXIAL SERRATIONS THEREBETWEEN, WHEREBY EACH OF SAID FINGERS CARRIES A MULTIPLICITY OF LOCKING SERRATIONS ON THE INWARDLY EXTENDING FLANGE PORTION THERE, SAID LOCKING SERRATIONS ON THE FINGERS, IN THE UNFLEXED CONDITION OF SAID FINGERS, FORMING A RING HAVING A SMALLER DIAMETER THAN THE DIAMETER OF THE LOCKING SERRATIONS ON SAID BOLT MEMBER, WHEREBY THE FINGERS ARE SPREAD WHEN SAID LOCKING SERRATIONS ARE INTERENGAGED.