Mounting arrangement for paper supply roll

Claim 1

A MOUNTING ARRANGEMENT FOR A LARGE DIAMETER, HEAVY SUPPLY ROLL OF SHEET MATERIAL WHICH HAS OPPOSITE SIDE SURFACES, SAID SUPPLY ROLL COMPRISING A SHEET WEB WOUND UPON A TUBULAR CORE, SAID MOUNTING ARRANGEMENT COMPRISING A SUPPORTING FRAME, GUIDE MEANS ON SAID FRAME ENGAGEABLE WITH ONE SIDE SURFACE OF SAID ROLL FOR LIMITING LATERAL MOVEMENT THEREOF DURING ROLL ROTATION, A ROLL SUPPORTING SHAFT PROJECTING FROM SAID FRAME, A CHUCK SURROUNDING SAID SHAFT TO BE POSITIONED IN THE CORE OF SAID SUPPLY ROLL, A SINGLE BEARING ASSEMBLY INTERPOSED BETWEEN SAID SHAFT AND SAID CHUCK, SAID BEARING ASSEMBLY BEING MOUNTED ADJACENT AN END OF SAID SUPPORTING SHAFT AND BEING LOCATABLE SUBSTANTIALLY CENTRALLY BETWEEN SAID OPPOSITE ROLL SIDE SURFACES WHEN SAID ROLL IS MOUNTED ON SAID CHUCK FOR ROTATION SO THAT RELATIVE ANGULAR MOVEMENT IS PERMITTED BETWEEN SAID SHAFT AND SAID CHUCK, AND RELEASABLE PRESSURE MEANS ENGAGEABLE WITH THE OTHER SIDE SURFACE OF SAID ROLL AND OPERATIVELY CONNECTED WITH SAID END OF SAID SUPPORTING SHAFT FOR URGING SAID ROLL AGAINST SAID GUIDE MEANS ON SAID FRAME.