Segmented coil drum

Claim 1

AN EXPANDABLE DRUM FOR COILING STRIP MATERIAL COMPRISING A SUPPORTING AND DRIVING SHAFT ROTATABLY SUPPORTED FROM ONE END ABOUT AN AXIS AND HAVING AN UNOBSTRUCTED FREE END, SAID SHAFT HAVING NEAR ITS SUPPORTED END A GENERALLY AXIALLY EXTENDING SEGMENT CONNECTING PORTION; A DRUM ASSEMBLY DEMOUNTABLY SUPPORTED ON SAID SHAFT AND COMPRISING A HUB MEMBER MOUNTED ON SAID SHAFT TO MOVE NON-ROTATABLY BUT AXIALLY RELATIVELY TO SAID SHAFT, AND TO BE AXIALLY MOVED ON OR OFF SAID SHAFT OVER ITS FREE END AFTER THE DRUM ASSEMBLY IS DISCONNECTED FROM SAID SHAFT, AND A PLURALITY OF ELONGATED DRUM SEGMENT CIRCUMFERENTIALLY ARRANGED AROUND AND SUPPORTED BY SAID HUB MEMBER FOR ROTATION THEREWITH, AT LEAST SOME OF SAID SEGMENTS BEING MOVABLE ON SAID HUB MEMBER RADIALLY TOWARD AND AWAY FROM SAID SHAFT UPON MOVEMENT OF SAID HUB MEMBER AXIALLY OF SAID SHAFT, EACH OF SAID RADIALLY MOVABLE SEGMENTS HAVING AT ITS END NEAR THE SUPPORTED END OF SAID SHAFT AN OPENING RADIALLY EXTENDING THERETHROUGH; CLAMP MEANS DEMOUNTABLY FIXED ON SAID CONNECTING PORTION OF SAID SHAFT AND RIGIDLY CARRYING A PIN EXTENDING THROUGH AND SLIDABLY ENGAGING THE OPENING OF EACH RADIALLY MOVABLE SEGMENT, WHEREBY EACH OF SAID RADIALLY MOVABLE SEGMENTS IS PERMITTED TO MOVE RADIALLY RELATIVELY TO SAID SHAFT BUT IS PREVENTED FROM MOVING LONGITUDINALLY OF SAID SHAFT WHEN SAID HUB MEMBER MOVES AXIALLY THEREOF; AND MEANS FOR MOVING SAID HUB MEMBER AXIALLY OF SAID SHAFT, SAID MEANS BEING DEMOUNTABLY CONNECTED TO SAID HUB MEMBER AT THE FREE END OF SAID SHAFT.