Severing apparatus

Claim 1

APPARATUS FOR TRANSVERSELY CUTTING ELONGATED SHEET MATERIAL INTO PREDETERMINED LENGTHS COMPRISING IN COMBINATION: (A) A MAIN FRAME ALONG WHICH SAID SHEET MATERIAL IS CONVEYED, (B) POWER-DRIVEN CONVEYOR MEANS INCLUDING A FLEXIBLE BELT FOR CONVEYING SAID SHEET MATERIAL THROUGH THE CUTTING APPARATUS, (C) SAID MAIN FRAME HAVING A TRACK EXTENDING LONGITUDINALLY THEREOF PARALLEL TO THE DIRECTION OF TRAVEL OF SAID SHEET MATERIAL, (D) A CARRIAGE SUPPORTED FOR RECIPROCAL LONGITUDINAL MOVEMENT ALONG SAID TRACK AND HAVING AT LEAST THREE SPACED GUIDE-ELEMENTS CARRIED THEREBY EXTENDING TRANSVERSELY OF SAID TRACK, (E) AT LEAST ONE OF SAID GUIDE-ELEMENTS COMPRISING A ROLLER JOURNALED ON SAID CARRIAGE, (F) SAID CONVEYOR BELT BEING TRAINED ABOUT OPPOSITE SIDES OF CERTAIN OF SAID GUIDE-ELEMENTS SUCH THAT SAID BELT IS CONSTRAINED INTO GRIPPING ENGAGEMENT WITH SAID ROLLER. (G) CUTTING MEANS SUPPORTED BY SAID CARRIAGE ABOVE SAID BELT ON A SIDE THEREOF OPPOSITE SAID GUIDEELEMENTS FOR TRANSVERSELY CUTTING SAID SHEET MATERIAL, SAID BELT AND CUTTING MEANS BEING SO ORIENTED AS TO BE OUT OF MUTUAL CONTACT AT THE ZONE OF CUT, AND (H) BRAKE MEANS MOUNTED ON SAID CARRIAGE AND COOPERATIVELY ASSOCIATED WITH SAID ROLLER FOR PREVENTING ROTATION THEREOF IN ORDER TO LOCK THE CARRIAGE TO THE CONVEYOR BELT CAUSING THE CARRIAGE TO MOVE ALONG THE TRACK IN UNISON WITH THE CONVEYOR BELT AND SHEET MATERIAL WHILE THE SHEET MATERIAL IS BEING CUT.