Machine for producing sheet metal blanks and having plural adjustable feed stop abutments

Claim 1

IN A MACHINE FOR PRODUCING SHEET METAL BLANKS OF DIFFERENT LENGTH FROM A CONTINUOUS SHEET METAL STRIP, A RECIPROCATING FEED DEVICE PROVIDED WITH A CLAMP THEREON FOR SEIZING AND HOLDING SAID SHEET METAL STRIP AND PULLING IT IN ONE DIRECTION, A STATIONARY ABUTMENT AGAINST WHICH SAID FEED DEVICE IS MOVED WHEN MOVING IN STRIP PULLING DIRECTION, A CUTTING DEVICE FOR REMOVING A SHEET METAL BLANK FROM SAID SHEET METAL STRIP AFTER THE LATTER HAS COME TO REST AGAINST SAID STATIONARY ABUTMENT, A PLURALITY OF ADJUSTABLE ABUTMENTS AGAINST ANYONE OF WHICH SAID FEED DEVICE IS ADAPTED TO ENGAGE WHEN IT RETURNS ALONE TO A REARWARD POSITION FOR AGAIN GRIPPING AND HOLDING SAID SHEET METAL STRIP FOR ANOTHER FEEDING MOVEMENT, STATIONARY CLAMPING MEANS FOR HOLDING SAID SHEET METAL STRIP AGAINST MOVEMENT WHEN SAID FEEDING MEANS RETURNS TO A REARWARD POSITION, MEANS FOR OPENING SAID CLAMP MEANS FOR RELEASING SAID SHEET METAL STRIP WHEN THE FEEDING DEVIDE MOVES AGAIN FORWARDLY, AND MEASN FOR ADJUSTING SAID ADJUSTABLE ABUTMENTS IN ACCORDANCE WITH THE DIFFERENT LENGTHS OF THE BLANKS TO BE CUT FROM SAID SHEET METAL STRIP.