Adjustable finger rings

Claim 1

AN ADJUSTABLE FINGER RING COMPRISING IN COMBINATION AN ARCUATE INTERMEDIATE SECTION, A FIRST TUBULAR ARCUATE SIDE SECTION, PIVOTED TO ONE END OF THE INTERMEDIATE SECTION, A SECOND TUBULAR ARCUATE SIDE SECTION PIVOTED TO THE OTHER END OF THE INTERMEDIATE SECTION, AN ARCUATE BRIDGING MEMBER CONCENTRIC WITH THE CENTER OF THE RING AND HAVING A PORTION THEREOF ANCHORED INSIDE THE FIRST TUBULAR SIDE SECTION, A RIGID TRANSVERSE CATCH MEMBER AT THE FREE END OF THE SECOND TUBULAR ARCUATE SIDE PORTION DIVIDING THE INTERNAL CROSS SECTION SURFACE AREA OF THE TUBE INTO TWO UNEQUAL PARTS AND INTO THE GREATER OF WHICH PARTS THE REMAINING PORTION OF THE BRIDGING MEMBER IS SLIDABLE, A PROJECTION MEANS ON THE PORTION OF THE BRIDGING MEMBER SLIDABLE INTO SAID SECOND TUBULAR SIDE SECTION WHICH COACTS WITH THE SAID CATCH MEMBER AND PREVENTS SEPARATION OF THE BRIDGING MEMBER FROM SAID SECOND TUBULAR ARCUATE SIDE SECTION WHEN SAID RING IS IN OPEN POSITION, A CURVED RESILIENT LATCH BAR MEANS CONCENTRIC WITH THE CENTER OF THE RING AND HAVING A RADIALLY INWARDLY DIRECTED CURVED NOSE, SAID LATCH BAR MEANS BEING FIXEDLY SECURED TO SAID FIRST TUBULAR SIDE SECTION, SAID SECOND TUBULAR ARCUATE SIDE SECTION BEING PROVIDED AT THE OUTER SURFACE OF ITS FREE END WITH AN ABLONG SLOT OVERLYING SAID TRANSVERSE CATCH MEMBER; SAID LATCH BAR MEANS PENETRATING INTO SAID SLOT AND FILLING THE LATTER AND GRIPPING WITH ITS CURVED NOSE OVER AND BEHIND SAID CATCH MEMBER WHEN SAID TWO ARCUATE SIDE SECTIONS ARE CLOSED AT THEIR JUNCTION.