Work stacking mechanism for sewing machines

Claim 1

IN COMBINATION, A TABLE, A SEWING MACHINE MOUNTED UPON SAID TABLE, A WORK SUPPORT ON SAID TABLE FOR RECEIVING WORK PIECES FROM SAID SEWING MACHINE AND HAVING A PLURALITY OF SPACED PARALLEL SLOTS, AND MEANS FOR MOVING WORK PIECES FROM SAID WORK SUPPORT AND ONTO A STACK COMPRISING A FRAME HAVING A PLURALITY OF PARALLEL FINGERS DISPOSED IN A PLANE AND SPACED FOR MOVEMENT THROUGH THE SLOTS IN SAID WORK SUPPORT, MEANS FOR MOUNTING SAID FRAME ON SAID TABLE FOR MOVEMENT OF SAID FINGERS IN PARALLEL PLANES EXTENDING THROUGH THE SLOTS IN SAID WORK SUPPORT AND INCLUDING AN ASCENDING MOVEMENT WHEREIN SAID FINGERS MOVE FROM A REST POSITION UPWARDLY THROUGH THE SLOTS IN SAID WORK SUPPORT, AN ADVANCE MOVEMENT WHEREIN SAID FINGERS MOVE TO A STACKING POSITION, AND A RETURN MOVEMENT WHEREIN SAID FINGERS MOVE TO SAID REST POSITION, MEANS FOR IMPARTING SAID MOVEMENTS TO SAID FRAME, AND MEANS FOR ENGAGING A WORK PIECE AND HOLDING THE SAME AGAINST MOVEMENT WITH SAID FINGERS DURING THE RETURN MOVEMENT OF SAID FRAME.