Device for removing self-resilient rings from machine tools

Claim 1

A DEVICE FOR REMOVING A SELF-RESILIENT SPLIT PISTON RING FROM MACHINE TOOLS AND THE LIKE WHEREIN THE RING IS CLAMPED WITH THE GAP CLOSED COMPRISING; A HOLDER, A PAIR OF SPACED JAWS IN ADJUSTABLE SPACED RELATION ON THE HOLDER AND FORMING A MOUTH THEREBETWEEN ADAPTED TO RECEIVE A CLAMPED PISTON RING WITH NOT MORE THAN A SLIGHT CLEARANCE WHEREBY EXPANSION OF THE RING UPON UNCLAMPING THEREOF WILL CAUSE THE RING TO ENGAGE THE JAWS, SPRING MEANS RESILIENTLY URGING THE JAWS TOWARD EACH OTHER WHEREBY THE JAWS WILL MOVE APART UNDER THE FORCE OF THE RING WHEN THE RING EXPANDS, ACTUATING MEANS FOR MOVING SAID JAWS AWAY FROM EACH OTHER TO RELEASE A RING HELD THEREIN, MEANS ON THE HOLDER LIMITING THE MOVEMENT OF SAID JAWS TOWARD EACH OTHER AND MEANS FOR TILTING SAID HOLDER TO PRESENT A RING IN SAID JAWS IN A SUBSTANTIALLY HORIZONTAL POSITION FOR RELEASE FROM THE JAWS WHEREBY THE RING CAN BE DROPPED ON A RECEIVING SPIKE OR THE LIKE.