Apparatus for folding or corrugating sheet material

Claim 1

IN A FOLDING APPARATUS ADAPTED TO FORM TRANSVERSE CORRUGATIONS IN A SHEET PASSING THROUGH THE APPARATUS ON A FEED LINE COMPRISING A FIRST AND A SECOND DIE MEMBER, FIRST MEANS FOR RECIPROCATING SAID DIE MEMBERS TOWARD AND AWAY FROM SAID SHEET, SECOND MEANS FOR CAUSING BACK AND FORTH MOVEMENT OF SAID FIRST DIE MEMEBR ALONG SAID FEED LINE AND WITH RESPECT TO SAID SECOND DIE MEMBER AND IN PHASE WITH SAID RECIPROCATION OF SAID DIE MEMBERS, AND A ROTATING DRIVE CAM HAVING A CONTOURED CAM SURFACE CONTROLLING SAID RECIPROCATING MOVEMENT OF SAID DIE MEMBERS, THE IMPROVEMENT COMPRISING: SAID SECOND MEANS INCLUDING A SLIDE CONNECTED WITH SAID FIRST DIE MEMBER, AND A MOVEMENT MAGNIFYING MEANS OPERABLY CONNECTING SAID SLIDE AND SAID CONTOURED CAM SURFACE, SAID MOVEMENT MAGNIFYING MEANS COMPRISING A FIRST MEMBER PIVOTALLY MOUNTED ON A FIRST AXIS AND HAVING A FIRST FOLLOWER RIDING ON SAID CAM SURFACE, A SECOND MEMBER PIVOTALLY MOUNTED ON A SECOND AXIS OFFSET FROM SAID FIRST AXIS, AN ELEMENT SPACED FROM SAID FIRST AND SECOND AXES AND BETWEEN SAID AXES FOR OPERABLY CONNECTING SAID PIVOT MEMBERS, MECHANICAL MEANS FOR CONNECTING SAID SECOND PIVOTAL MEMBER ONT SAID SLIDE AND ADJUSTING MEANS FOR SIMULTANEOUSLY, INVERSELY ADJUSTING SAID SPACING OF SAID ELEMENTS FROM SAID AXES, SAID FIRST FOLLOWER MEANS AND SAID MECHANICAL MEANS BEING SPACED FROM SAID FIRST AND SECOND AXES, RESPECTIVELY, TO CONVERT THE CONTOUR OF SAID CAM SURFACE INTO AN INCREASED MOVEMENT OF SAID SLIDE.