Web handling apparatus

Claim 1

WEB HANDLING APPARATUS INCLUDING A WEB WOUND IN A ROLL AND CAPABLE OF BEING UNWOUND FROM SAID ROLL, RESTORING MEANS CONNECTED TO SAID WEB FOR REWINDING SAID WEB ON SAID ROLL WHEN SAID WEB IS UNWOUND FROM SAID ROLL, A ROTATABLE MEMBER, SPEED INCREASING MEANS CONNECTED TO SAID ROLL AND TO SAID MEMBER FOR ROTATING SAID MEMBER RESPONSIVE TO THE ROTATION OF SAID ROLL, AT A SUBSTANTIALLY HIGHER ANGULAR VELOCITY THAN SAID ROLL, FIRST LATCHING MEANS INCLUDING A FIRST PART AND A COOPERATIVE SECOND PART, SAID SECOND PART BEING REVOLVED BY THE ROTATION OF SAID MEMBER AT THE ANGULAR VELOCITY OF SAID MEMBER AND RESPONSIVE TO THE CENTRIFUGAL FORCE EXERTED ON SAID SECOND PART BY THE ROTATION OF SAID MEMBER, PRODUCED BY THE UNWINDING OF SAID WEB AT A SPEED GREATER THAN A PREDETERMINED MAGNITUDE, TO CAUSE SAID FIRST AND SECOND PARTS TO ENTER INTO LATCHING ENGAGEMENT TO PREVENT FURTHER UNWINDING OF SAID WEB, AND SECOND LATCHING MEANS INCLUDING A THIRD PART AND A COOPERATIVE FOURTH PART, SAID FOURTH PART BEING REVOLVED BY THE ROTATION OF SAID MEMBER AT THE ANGULAR VELOCITY OF SAID MEMBER, SAID THIRD AND FOURTH PARTS BEING IN LATCHING RELATIONSHIP WITH SAID RESTORING MEANS TO PREVET REWINDING OF SAID WEB AND SAID FOURTH PART BEING RESPONSIVE TO THE CENTRIFUGAL FORCE ON SAID FOURTH PART, PRODUCED BY THE ROTATION OF SAID MEMBER BY THE REWINDING OF SAID WEB, TO CAUSE SAID THIRD AND FOURTH PARTS TO BE DISENGAGED FROM LATCHING ENGAGEMENT AND TO PERMIT SAID RESTORING MEANS TO REWIND SAID WEB.