Leaf spring tapering apparatus

Claim 1

APPARATUS FOR TAPERING THE END PORTIONS OF ELONGATED LEAF SPRINGS AND THE LIKE COMPRISING A RIGID FRAME HAVING AN OPENING THEREIN, AN ELONGATED ANVIL DIE EXTENDING ALONG ONE WALL OF SAID OPENING AND ADAPTED TO SUPPORT AN ELONGATED METAL BLANK, A TRACK ON SAID FRAME EXTENDING ALONG AN OPPOSITE SIDE WALL OF SAID OPENING IN GENERALLY PARALLEL RELATION TO SAID ANVIL DIE, SAID TRACK HAVING A SURFACE FACING AWAY FROM SAID ANVIL DIE AND ANOTHER SURFACE FACING SAID ANVIL DIE, A CARRIAGE MOUNTING A PLURALITY OF ANTI-FRACTION ROLLERS FOR ENGAGING SAID OUTWARDLY FACING SURFACE OF SAID TRACK AND SAID CARRIAGE ALSO INCLUDING AN ELONGATED MEMBER HAVING A FLAT SURFACE FACING THE SECOND MENTIONED SURFACE OF SAID TRACK, AN ASSEMBLY COMPRISING AN OPEN FRAME MOUNTING A PLURALITY OF FORCE TRANSMITTING ROLLS WHICH ARE INTERPOSED BETWEEN THE FACING SURFACES OF SAID TRACK AND CARRIAGE, A CAM MEMBER ADJUSTABLY AND PIVOTALLY MOUNTED ON SAID ELONGATED MEMBER AND HAVING ITS CAMMING SURFACE FACING SAID ANVIL DIE, POWER MEANS TO MOVE SAID CARRIAGE LONGITUDINALLY ALONG SAID TRACK, AND A REDUCING ROLL MOUNTED FOR CONTACT BOTH WITH SAID CAM FACE AND WITH THE BLANK HELD IN SAID DIE TO ROLL DOWN SAID BLANK UPON LONGITUDINAL MOVEMENT OF SAID CARRIAGE.