Modified crank drive for feed bar drive and wing drive

Claim 1

A FEED MECHANISM FOR ADVANCING A SHEET METAL WORK PIECE THROUGH A SERIES OF OPERATIONS ALONG A WORK TABLE WHICH COMPRISES: RECIPROCATING FEED MEANS FOR STRIKING SAID WORK PIECE; A LINK MEANS, SAID LINK MEANS BEING CAPABLE OF CONVERTING ROTATIONAL MOTION INTO RECIPROCATING MOTION AND TRANSMITTING SAID RECIPROCATING MOTION TO SAID FEED MEANS; A MODIFIED CRANK DRIVE COMPRISING: A DRIVE SHAFT; A REVOLVING, ROTATING CRANK SHAFT, SAID CRANK SHAFT DEFINED BY A CRANK GEAR AND A CRANK SHAFT PIN POSITIONED ECCENTRICALLY TO THE AXIS OF SAID CRANK GEAR; A STATIONARY GEAR POSITIONED TO MESH WITH SAID CRANK GEAR; MEANS FOR DRIVINGLY INTERCONNECTING SAID DRIVE SHAFT AND SAID CRANK WHEREBY THE REVOLUTION OF SAID DRIVE SHAFT CAUSES RELATIVE ORBITAL MOVEMENT OF SAID CRANK GEAR WITH RESPECT TO SAID DRIVE SHAFT AND CAUSES CONCURRENT ROTATION OF SAID CRANK SHAFT PIN ABOUT THE AXIS OF THE CRANK SHAFT GEAR TO THAT THE LINK MEANS CONNECTING SAID CRANK PIN AND SAID FEED MEANS IMPARTS A DWELL TO SAID FEED MEASN PRIOR TO THE TIME THE FEED MEANS STRIKES THE WORK PIECE.