Label printing machines

Claim 1

IN A PRINTING MACHINE INCLUDING ROTATABLE PRINTING MEANS AND MEANS FOR FEEDING BLANKS TO SAID PRINTING MEANS IN TIMED RELATIONSHIP THERETO, THE IMPROVEMENT COMPRISING A WALL STRUCTURE, A FIRST SUPPORT MOVABLY MOUNTED UPON THE WALL STRUCTURE, BLANK POSITIONING MEANS CARRIED ON SAID FIRST SUPPORT FOR REPOSITIONING SAID BLANKS MOVED BY SAID FEED MEANS, SAID BLANK POSITIONING MEANS BEING OPERABLE IN TIMED RELATIONSHIP TO SAID PRINTING MEANS AND INCLUDING A MOVABLE MEMBER ARRANGED TO CONTACT EACH BLANK AND REPOSITION IT ALONG THE FEED PATH, SAID MOVABLE MEMBER BEING DISPLACEABLE IN RESPECT TO SAID BLANK FEEDING MEANS ALONG WITH SAID FIRST MOVABLE SUPPORT, A SECOND SUPPORT MOVABLY MOUNTED UPON THE WALL STRUCTURE, KNIFE MEANS CARRIED ON SAID SECOND SUPPORT INCLUDING A BLADE DISPOSED TO RECIPROCATE INTO THE PATH OF FEED OF SAID BLANKS AS THEY ARE DISCHARGED FROM SAID PRINTING MEANS TO SEVER SAID BLANKS, AND CONTROL MEANS FOR SELECTIVELY SHIFTING SAID FIRST AND SECOND SUPPORTS RELATIVE TO EACH OTHER AND RELATIVE TO SAID PRINTING MEANS INCLUDING A LOCKABLE ROTATABLE DRIVE MEMBER INTERCONNECTING SAID FIRST AND SECOND MOVABLE SUPPORTS OPERABLE TO EFFECT INTERDEPENDENT MOVEMENT OF ONE OF SAID SUPPORTS RELATIVE TO THE OTHER WHEN SAID LOCKABLE DRIVE MEMBER IS ROTATED, AND WHEN LOCKED, TO EFFECT COMBINED MOVEMENT OF SAID FIRST AND SECOND SUPPORTS RELATIVE TO SAID PRINTING MEANS, WHEREBY TO ADJUST CUTTING AND FEEDING TO EFFECT OPERATION ON VARIOUS BLANK SIZES.