Crank means for reciprocating cutter carriage and actuating cutter head

Claim 1

A WIRE CUTOFF ASSEMBLY FOR CUTTING WIRE INTO PREDETERMINED LENGTHS COMPRISING IN COMBINATION, A BASE, A CRANKSHAFT HAVING A CRANK ARM, A CUTOFF SLIDE HEAD MOUNTED IN WAYS ON SAID BASE FOR BACK AND FORTH MOVEMENT ON A CUTTING AND RETURN STROKE, A CUTOFF DIE MOUNTED BY SAID CUTOFF SLIDE HEAD AND HAVING A GENERALLY HORIZONTALLY DISPOSED OPENING FOR THE RECEPTION OF THE WIRE, A KNIFE HOLDER SLIDABLY MOUNTED BY SAID CUTOFF SLIDE HEAD FOR MOVEMENT IN A GENERALLY VERTICAL PLANE ON A DOWNWARD CUTTING STROKE AND AN UPWARD RETURN STROKE, POWER LINKAGE MEANS INTERCONNECTING SAID CRANK ARM TO SAID SLIDE HEAD AND SAID KNIFE HOLDER FOR DRIVING THE SAME THROUGH SAID RESPECTIVE MOVEMENTS, SAID LINKAGE MEANS INCLUDING A CONNECTING ROD HAVING FIRST AND SECOND END PORTIONS, PIVOT MEANS CONNECTING SAID FIRST END PORTION OF SAID CONNECTING ROD TO SAID CRANK ARM, A CONNECTING ROD LINK HAVING FIRST AND SECOND END PORTIONS, PIVOT MEANS CONNECTING SAID FIRST END PORTION OF SAID CONNECTING ROD LINK TO SAID BASE, A SLIDE HEAD DRIVE ARM HAVING FIRST AND SECOND END PORTIONS, PIVOT MEANS CONNECTING SAID FIRST END PORTION OF SAID SLIDE HEAD DRIVE ARM TO SAID CUTOFF SLIDE HEAD, PIVOT MEANS CONNECTING SAID SECOND END PORTIONS OF SAID CONNECTING ROD, SAID CONNECTING ROD LINK AND SAID SLIDE HEAD DRIVE ARM TOGETHER, A KNIFE HOLDER DRIVE LINK HAVING FIRST AND SECOND END PORTIONS, PIVOT MEANS CONNECTING SAID FIRST END PORTION OF SAID KNIFE HOLDER DRIVE LINK TO SAID KNIFE HOLDER, PIVOT MEANS CONNECTING SAID SECOND END PORTION OF SAID KNIFE HOLDER DRIVE LINK TO SAID CONNECTING ROD INTERMEDIATE SAID FIRST AND SECOND END PORTIONS THEREOF WALL MEANS DEFINING A LUBRICATING CHAMBER WITHIN WHICH SAID LINKAGE MEANS RESIDES WHICH CHAMBER IS ADAPTED TO CONTAIN LUBRICANT FOR THE LUBRICATION OF SAID LINKAGE MEANS.