Captive closure for a container

Claim 1

CLOSURE MEANS FOR A CONTAINER HAVING A CYLINDRICAL EXTERNALLY THREADED NECK OPEN AT ITS EXTREME END, COMPRISING: (A) A COLLAR MEMBER HAVING AN INTERNALLY THREADED BORE FOR ENGAGING THE THREADED NECK OF SAID CONTAINER, SAID COLLAR BEING MOVABLE IN DIRECTIONS PARALLEL TO THE AXIS OF SAID NECK BETWEEN FIRST AND SECOND AXIALLY SPACED POSITIONS AND HAVING A FIST LATERALLY PROJECTING LUG; (B) A CAP MEMBER HAVING A TOP PORTION AND AN ANNULAR PORTION DEPENDING FROM SAID TOP PORTION, SAID ANNULAR PORTION BEING INTERNALLY THREADED SO THAT SAID CAP CAN BE THREADABLY MOUNTED ON THE NECK OF SAID CONTAINER TO SEALINGLY ENGAGE THE OPEN END OF SAID NECK, SAID CAP MEMBER HAVING A SECOND LATERALLY PROJECTION LUG; (C) PIN MEANS CONNECTING SAID FIRST LUG TO SAID SECOND LUG SO THAT SAID CAP MEMBER IS PIVOTAL FROM A LATERAL POSITION CLEAR OF THE OPEN END OF SAID NECK TO AN AXIAL POSITION OVER THE OPEN END OF SAID NECK WHEN SAID COLLAR IS IN SAID FIRST POSITION, AND SAID NECK INTERFERES WITH THE MOVEMENT OF SAID CAP MEMBER FROM SAID LATERAL POSITION TOWARD SAID AXIAL POSITION WHEN SAID COLLAR MEMBER IS IN SAID SECOND POSITION, AND SAID CAP MEMBER BEING AXIALLY MOVABLE ON SAID NECK BY ROTATING SAID CAP MEMBER AND SAID COLLAR MEMBER TOGETHER AS A UNIT ON SAID NECK.