Multiple roll clamp arms

Claim 1

A ROLL CLAMPING ATTACHMENT FOR INDUSTRIAL TRUCKS COMPRISING MOUNTING MEANS ADAPTED FOR SECURING THE ATTACHMENT TO SAID TRUCK, A PAIR OF CLAMPING ARM MEANS MOVABLE CARRIED BY SAID MOUNTING MEANS IN SPACED FACING RELATION, MEANS FOR MOVING SAID ARM MEANS TOWARD AND FROM EACH OTHER FOR CLAMPING AND RELEASING A PAIR OF ROLLS OF DIFFERENT DIAMETERS ARRANGED IN END-ABUTTING RELATION, AT LEAST ONE OF THE ARM MEANS COMPRISING A PAIR OF ARM SUPPORTS ON THE MOUNTING MEANS, PIVOT MEANS MOUNTED ON SAID SUPPORTS PROVIDING A SINGLE PIVOT AXIS A PAIR OF ARM MEMBERS SPACED APART ALONG SAID SINGLE AXIS AND EACH SUPPORTED BY ONE OF THE SUPPORTS FOR SWINGING MOVEMENT ABOUT THE SINGLE AXIS, ELONGATED MEANS PIVOTED INTERMEDIATE THE SUPPORTS, AND MEANS PIVOTALLY SUPPORTING SAID ELONGATED MEANS ON SAID MOUNTING MEANS TO ROTATE ABOUT A SECOND AXIS NORMAL TO SAID SINGLE AXIS AND MEANS PIVOTALLY CONNECTING OPPOSITE END PORTIONS OF SAID ELONGATED MEANS TO THE ARM MEMBERS AT CORRESPONDING ENDS THEREOF, WHEREBY IN CLAMPING MOVEMENT OF THE ARM MEANS ENGAGEMENT OF ONE OF SAID ARM MEMBERS WITH THE LARGER DIAMETER ROLL OF SAID PAIR OF ROLLS DISPOSED WITH THE PLANE OF THE ABUTTING ROLL ENDS FALLING BETWEEN THE ARM MEMBERS CAUSES PIVOTING OF SAID ONE ARM MEMBER ABOUT THE SINGLE AXIS TO EFFECT SWINGING OF SAID ELONGATED MEANS ABOUT SAID SECOND AXIS AND CONSEQUENT PIVOTING OF THE OTHER ARM MEMBER ABOUT THE SINGLE AXIS IN THE DIRECTION OPPOSITE THAT OF THE ONE ARM MEMBER AND INTO ENGAGEMENT WITH THE SMALLER DIAMETER ROLL.