Metal forming machine

Claim 1

A METAL FORMING MACHINE, COMPRISING: A FRAME HAVING HORIZONTALLY SPACED VERTICAL END PLATES; A BED ON THE FRAME EXTENDING HORIZONTALLY BETWEEN THE FRAME END PLATES; A RAM SUPPORTED BY THE FRAME END PLATES PARALLEL WITH THE BED FOR VERTICAL MOVEMENT TOWARD AND AWAY FROM THE BED; A SHUTTLE BAR SLIDINGLY SECURED TO THE RAM FOR RECIPROCATING MOVEMENT LENGTHWISE ON THE RAM; MATING DIES SECURED ON THE BED AND THE SHUTTLE BAR; AT LEAST TWO BRACKETS SECURED ON THE SIDE OF SAID RAM; A ROLLER JOURNALED IN EACH BRACKET FOR ROTATION ON A VERTICAL AXIS IN CONTACT WITH SAID SHUTTLE BAR; A MAIN DRIVE SHAFT JOURNALED TO THE FRAME ABOVE THE RAM AND EXTENDING TO THE FRAME END PLATES PARALLEL WITH THE RAM; DRIVE MEANS FOR ROTATING THE MAIN DRIVE SHAFT; AT LEAST ONE CAM ON THE MAIN DRIVE SHAFT IN CONTACT WITH THE RAM FOR URGING THE RAM DOWNWARDLY EACH REVOLUTION OF THE MAIN DRIVE SHAFT; SPRING SUPPORTS AT THE OPPOSITE ENDS OF THE RAM URGING THE RAM UPWARDLY; FIRST AND SECOND CAM SHAFTS JOURNALED IN ONE FRAME END PLATE PARALLEL WITH THE MAIN DRIVE SHAFT; A DRIVE SYSTEM FOR ROTATING THE CAM SHAFTS SIMULTANEOUSLY WITH ROTATION OF THE MAIN DRIVE SHAFT; A CAM ON THE FIRST CAM SHAFT BEING CIRCULAR IN FORM AND HAVING THE FACE THEREOF REMOTE FROM THE ADJACENT FRAME END PLATE TAPERED OUTWARDLY IN VARYING DEGREES FROM THE CENTRAL PORTION OF THE CAM; A CAM FOLLOWER INCLUDING A HOUSING EXTENDING RADIALLY WITH RESPECT TO THE CAM AND HAVING A SLOT IN THE WALL THEREOF ADJACENT THE TAPERED FACE OF THE CAM, A THREADED INDEX SHAFT JOURNALED IN THE HOUSING, A YOKE EXTENDING THROUGH THE SLOT IN THE HOUSING AND THREADED ONTO THE INDEXING SHAFT FOR MOVEMENT LENGTHWISE IN THE HOUSING UPON TURNING OF THE INDEXING SHAFT, AND A ROLLER JOURNALED IN THE YOKE IN ROLLING CONTACT WITH THE TAPERED FACE OF THE CAM, WHEREBY THE EXTEND OF MOVEMENT OF THE ROLLER BY THE CAM IS ADJUSTED BY TURNING THE INDEXING SHAFT, SAID MOVEMENT OCCURRING ONCE EACH REVOLUTION OF THE CAM; A LEVER SYSTEM CONNECTED TO THE FOLLOWER FOR MOVING THE SHUTTLE BAR IN ONE DIRECTION WHEN THE FOLLOWER IS MOVED AWAY FROM THE ADJACENT FRAME END PLATES, SAID LEVER SYSTEM INCLUDING A LEVER PIVOTALLY SUPPORTED FROM THE FRAME END PLATE, ONE END OF THE LEVER BEING CONNECTED TO THE FOLLOWER, A PUSH ROD SECURED TO THE OPPOSITE END OF THE LEVER AND POSITIONED IN THE PLANE OF MOVEMENT OF THE SHUTTLE BAR; A HEAD CARRIED BY THE SHUTTLE BAR IN CONTACT WITH THE PUSH ROD AND HAVING A HEIGHT AS GREAT AS THE VERTICAL MOVEMENT OF THE SHUTTLE BAR FOR MAINTAINING CONTACT BETWEEN THE HEAD AND PUSH ROD DURING ALL POSITIONS OF THE SHUTTLE BAR; SPRING MEANS FOR MOVING THE SHUTTLE BAR IN AN OPPOSITE DIRECTION WHEN THE SHUTTLE BAR IS RELEASED BY THE LEVER SYSTEM; A PAIR OF FEED ROLLERS JOURNALED TO THE FRAME ADJACENT THE BED FOR FEEDING MATERIAL TO BE FORMED TO THE BED; AND, MEANS FOR DRIVING ONE OF SAID ROLLERS INCLUDING A CAM ON A SAID SECOND CAM SHAFT, A LEVER PIVOTALLY MOUNTED ON THE ADJACENT FRAME END PLATE, A ONE-WAY CLUTCH ASSEMBLY CONNECTED TO SAID DRIVEN ROLLER, A CAM FOLLOWER MOUNTED ON ONE END OF SAID LEVER IN CONTACT WITH SAID SECOND CAM, THE ARRANGEMENT BEING SUCH THAT THE OPPOSITE END OF SAID LEVER ACTUATES SAID ONE-WAY CLUTCH UPON MOVEMENT OF SAID FOLLOWER WHEREBY THE MATERIAL TO BE FORMED IS FED IN TIMED ROTATION TO THE MOVEMENT OF SAID RAM.