Marking apparatus

Claim 1

THE COMBINATION OF A WRAPPING MACHIEN INCLUDING A ROTARY CUT-OFF MEANS OPERATIVE TO CUT SUCCESSIVE SECTIONS FROM A CONTINUOUS WEB DURING MOVEMENT OF THE WEB THROUGH SAID ROTARY CUT-OFF MEANS, WHICH SECTIONS ARE UTILIZED BY SAID MACHINE DURING REPEATED OPERATING CYCLES FOR THE WRAPPING OF ARTICLES; AND AN APPARATUS FOR APPLYING MARKINGS TO THE SUCCESSIVE SECTIONS OF THE CONTINUOUS WEB COMPRISING A ROTATABLE DIE WHEEL HAVING MARKING MEANS PROJECTING RADIALLY THEREFROM OVER A PORTION OF THE PERIPHERY OF THE DIE WHEEL TO EFFECT ROLLING AND MARKING CONTACT WITH THE WEB DURING ROTATION OF THE DIE WHEEL, MEANS DRIVEN BY SAID MACHINE FOR ROTATING SAID DIE WHEEL AND INCLUDING A SLIPPABLE CLUTCH, A PROJECTING STOP MEMBER MOVABLE IN SYNCHRONISM WITH SAID DIE WHEEL TO MOVE ALONG A CIRCULAR PATH DURING ROTATION OF THE LATTER, AN ABUTMENT MEMBER, MEANS MOUNTING SAID ABUTMENT MEMBER FOR MOVEMENT BETWEEN AN OPERATIVE POSITION, WHERE SAID ABUTMENT MEMBER EXTENDS INTO SAID CIRCULAR PATH TO BLOCK ROTATION OF SAID DIE WHEEL WITH SAID MARKING MEANS FACING AWAY FROM SAID WEB AND WHILE SAID CLUTCH SLIPS, AND AN INOPERATIVE POSITION WHERE SAID ABUTMENT MEMBER IS WITHDRAWN FROM SAID CIRCULAR PATH TO FREE SAID DIE WHEEL FOR ROTATION, RESILIENT MEANS URGING SAID ABUTMENT MEMBER TO SAID OPERATIVE POSITION, ELECTROMAGNETICALLY ACTATED MEANS ENERGIZABLE TO MOVE SAID ABUTMENT MEMBER TO SAID OPERATIVE POSITION, CIRCUIT MEANS FOR ENERGIZING SAID ELECTROMAGNETICALLY ACTUATED MEANS INCLUDING A NORMALLY OPEN SWITCH, AND CAM MEANS ROTATED IN SYNCHRONISM WITH SAID ROTARY CUT-OFF MEANS AND OPERATIVE TO MOMENTARILY CLOSE SAID SWITCH FOR ONLY MOMENTARILY MOVING SAID ABUTMENT TO ITS INOPERATIVE POSITION DURING THE CUTTING OFF OF EACH SECTION FROM THE WEB, SAID ABUTMENT MEMBER BEING MOUNTED AT ONE END OF A LEVER WHICH IS PIVOTALLY SUPPORTED INTERMEDIATE ITS ENDS, AND SAID ELECTROMAGNETICALLY ACTUATED MEANS INCLUDING A SOLENOID HAVING A NORMALLY EXTENDED ARMATURE WHICH IS RETRACTED UPON ENERGIZATION OF THE SOLENOID, A LINK PIVOTALLY CONNECTED, AT ONE END, TO SAID ARMATURE AND HAVING A HOOK-SHAPED CONFIGURATION AT THE OTHER END OPENING GENERALLY IN THE LONGITUDINAL DIRECTION OF THE RETRACTING MOVEMENT OF THE ARMATURE, AND A PIN PROJECTING FROM THE OTHER END OF SAID LEVER AND RECEIVED IN SAID HOOK-SHAPED END OF THE LINK TO CAUSE ROCKING OF THE LEVER IN THE DIRECTION MOVING SAID ABUTMENT MEMBER TO ITS INOPERATIVE POSITION UPON ENERGIZATION OF SAID SOLENOID.