Locking container closure

Claim 1

A DETACHABLE CLOSURE FOR BOTTLES AND THE LIKE WHICH COMPRISES, AN INNER GENERALLY CUP-SHAPED CAP ROTATABLE BETWEEN OPEN AND CLOSED POSITIONS, SAID INNER CAP HAVING AN OUTWARDLY EXTENDING RADIAL FLANGE PROJECTING THEREFROM SPACED DOWNWARDLY FROM THE TOP, SAID FLANGE HAVING A NOTCH IN THE PERIPHERY THEREOF, A SPLIT RING MOUNTED ON THE FLANGE OF THE INNER CAP FOR RELATIVE ROTATIONAL MOVEMENT INTO POSITION WHEREBY THE GAP BETWEEN THE ENDS OF SAID RING AND NOTCH IN SAID FLANGE ARE IN REGISTRY WITH ONE ANOTHER, MEANS COMPRISING A STOP ON THE UPPER SURFACE OF THE SPLIT RING, AN OUTER GENERALLY CUP-SHAPED CAP ADAPTED TO FIT OVER THE INNER CAP AND REMAIN FREELY ROTATABLE RELATIVE THERETO, SAID OUTER CAP INCLUDING AN ANNULAR GROOVE LOCATED INTERMEDIATE THE TOP AND BOTTOM EDGE THEREOF POSITIONED AND ADAPTED TO RECEIVE THE RADIAL FLANGE OF THE INNER CAP AND THE SPLIT RING, SAID CAP ALSO INCLUDING A VERTICALLY-EXTENDING PIN RECESS INTERSECTING SAID ANNULAR GROOVE AND POSITIONED IN THE PATH OF THE STOP CARRIED BY THE SPLIT RING, AND A LOCKING PIN MOUNTED WITHIN THE PIN RECESS IN THE OUTER CAP FOR MOVEMENT BETWEEN AN EXTENDED POSITION PASSING THROUGH THE GAP IN THE SPLIT RING ALONG WITH THE NOTCH IN THE RADIAL FLANGE WHEN THE LATTER ARE ALIGNED AND A RETRACTED POSITION SUPPORTED ON TOP OF SAID SPLIT RING, SAID PIN IN RETRACTED POSITION COOPERATING WITH SAID STOP TO MOVE THE GAP IN THE SPLIT RING INTO REGISTRY WITH THE NOTCH IN THE ANNULAR FLANGE UPON ROTATION OF THE OUTER CAP IN ONE DIRECTION, AND SAID PIN COOPERATING WITH SAID NOTCH AND GAP TO INTERLOCK THE INNER AND OUTER CAPS TOGETHER UPON ROTATION OF SAID OUTER CAP IN THE OPPOSITE DIRECTION UNTIL SAID PIN DROPS INTO EXTENDED POSITION.