Locking device

Claim 1

IN A DEVICE FOR LOCKING A FIRST MEMBER TO A SECOND MEMBER, A LOCKING BAR HAVING TWO END PORTIONS, ONE OF SAID END PORTIONS BEARING AGAINST SAID FIRST MEMBER, THE OTHER OF SAID END PORTIONS PASSING THROUGH AN APERTURE IN SAID FIRST MEMBER AND EXTENDING OUTWARDLY THEREFROM, PORTIONS OF SAID LOCKING BAR DEFINING A TRAVERSE BORE THERETHROUGH ADJACENT SAID OTHER END PORTION THEREOF AND SPACED FROM SAID FIRST MEMBER, AND ELEMENT CONNECTED TO SAID SECOND MEMBER AND HAVING AN APERTURE PASSING OVER SAID OTHER END PORTION OF SAIDLOCKING BAR WHEREBY SAID ELEMENT IS RECEIVED BETWEEN SAID FIRST MEMBER AND SAID BORE, AND LOCKING MEANS OPERATIVELY ENGAGED THROUGH SAID BORE, SAID LOCKING MEANS COMPRISING A LOCK BLOCK HAVING A SECOND BORE THEREIN INTO WHICH SAID OTHER END PORTION OF SAID LOCKING BAR EXTENDS, AND A THIRD BORE PERPENDICULAR TO, AND INTERSECTING, SAID SECOND BORE AND ALIGNED WITH SAID BORE IN SAID LOCKING BAR, A LOCK PLUG IN SAID THIRD BORE, SAID PLUG HAVING THREADS ON ITS LOWER END AND CORRESPONDING THREADS IN SAID THIRD BORE, A STUD ON THE END OF SAID PLUG ENGAGEABLE IN SAID BORE IN SAID LOCKING BAR, AND KEY CONTROLLED TUMBLERS EXTENSIBLE FROM SAID PLUG INTO RADIAL SLOTS IN SAID LOCK BLOCK TO PRECLUDE ROTATION OF SAID PLUG AND HENCE WITHDRAWAL OF SAID STUD FROM SAID BORE IN SAID LOCKING BAR.