Apparatus for the operation of flying cut-off devices

Claim 1

APPARATUS FOR CUTTING-OFF TRAVELLING WORK, COMPRISING: A CUT-OFF DIE JUXTAPOSED TO THE PATH OF TRAVEL OF THE WORK AND MOVABLE PARALLEL TO SAID PATH BETWEEN A STARTING POSITION AND A FINAL POSITION; POWERED MEANS FOR MOVING THE DIE FROM THE STARTING POSITION TO A TRANSFER POSITION SHORT OF THE FINAL POSITION, SAID POWERED MEANS COMPRISING A CYLINDER, FLEXIBLE MEANS CONNECTING THE DIE TO A PORTION OF THE CYLINDER, AND MEANS FOR ROTATING THE CYLINDER TO WIND THE FLEXIBLE MEANS ONTO THE CYLINDER AND DRAW THE DIE IN THE DIRECTION OF TRAVEL OF THE WORK FOR ACCELERATING THE DIE SLOWLY AWAY FROM THE STARTING POSITION TO HAVE A SPEED AT THE TRANSFER POSITION SLIGHTLY DIFFERENT FROM THE SPEED OF TRAVEL OF THE WORK; MEANS FOR MOVING THE DIE FROM THE TRANSFER POSITION TO THE FINAL POSITION DIRECTLY WITH THE WORK; AND MEANS FOR OPERATING THE DIE TO CUT THROUGH THE WORK SUBSTANTIALLY ONLY DURING THE MOVEMENT FROM THE TRANSFER POSITION TO THE FINAL POSITION.