Apparatus for working on plate-shaped workpieces in conjunction with a machining tool

Claim 1

A DEVICE FOR AUTOMATICALLY PRESSING PLATE-SHAPED WORKPIECES AGAINST AND REMOVING THEM FROM A WORKING TOOL AFTER THE LEADING EDGE OF THE WORKPIECE HAS RUN UNDER AND BEFORE THE TRAILING EDGE THEREOF HAS RUN OUT FROM UNDER THE WORKING TOOL, SAID DEVICE COMPRISING MEANS FOR TRANSPORTING THE WORKPIECE UNDER THE WORKING TOOL, MEANS FOR URGING THE WORKPIECE UPON THE TRANSPORTING MEANS, AND MEANS BENEATH SAID TRANSPORTING MEANS AND COOPERATIVE THEREWITH TO MAINTAIN THE WORKPIECE IN CONTACT WITH THE WORKING TOOL AT ALL TIMES BUT RELIEVING THE WORKING PRESSURE BETWEEN THE WORKING TOOL AND THE WORKPIECE BOTH UPON THE INTRODUCTION OF A LEADING EDGE TO THE WORKPIECE TO THE WORKING TOOL AND THE DEPARTURE OF A TRAILING EDGE OF THE WORKPIECE BEYOND THE WORKING TOOL, SAID LAST MENTIONED MEANS COMPRISING AN ARM MOUNTED FOR TILTING MOVEMENT ABOUT AN AXIS PARALLEL TO THE DIRECTION OF WORKPIECE TRAVEL, MEANS BEING PROVIDED FOR TILTING SAID ARM ABOUT AN AXIS SUBSTANTIALLY MEDIALLY THEREOF, AND ANTI-FRICTION MEANS CARRIED BY OPPOSITE END PORTIONS OF SAID ARM.