Machine for manufacturing torsion springs

Claim 1

IN A SPRING MANUFACTURING MACHINE, A FRAME HAVING A HORIZONTAL TABLE, A SOURCE OF HYDRAULIC PRESSURE, A PLURALITY OF VALVES CONNECTED INTO SAID SOURCE, TIMING MEANS INDIVIDUALLY CONTROLLING SAID VALVES, FEED MEANS ON SAID FRAME FOR FEEDING WIRE INTO SAID MACHINE IN A DIRECTION PARALLEL TO SAID TABLE, FIRST HYDRAULIC MEANS FOR ACTUATING SAID FEED MEANS CONTROLLED BY A FIRST OF SAID VALVES, CUTOFF MEANS FOR CUTTING OFF WIRE AT DESIRED LENGTHS, SECOND HYDRAULIC MEANS FOR ACTUATING SAID CUTOFF MEANS CONTROLLED BY A SECOND VALVE OF SAID VALVES, A SPINDLE MOUNTED FOR ROTATION ABOUT AN AXIS PERPENDICULAR TO SAID TABLE AND FOR MOVEMENT ALONG SAID AXIS AND ROTATABLE TO FORM A COIL IN SAID WIRE, A RACK RECIPROCABLE ON SAID TABLE, GEAR MEANS FOR TRANSMITTING MOTION FROM SAID RACK TO ROTARY MOTION OF SAID SPINDLE, THIRD HYDRAULIC MEANS FOR ACTUATING SAID RACK CONTROLLED BY A THIRD VALVE OF SAID VALVES, FOURTH HYDRAULIC MEANS FOR MOVING SAID SPINDLE IN THE DIRECTION OF ITS AXIS OF ROTATION, A FOURTH VALVE FOR CONTROLLING SAID FOURTH HYDRAULIC MEANS IN TIMED RELATION TO ROTATION OF SAID SPINDLE, AT LEAST ONE TOOL MOUNTED ON SAID FRAME FOR PERFORMING A BENDING OPERATION ON SAID WIRE, FIFTH HYDRAULIC MEANS FOR ACTUATING SAID TOOL CONTROLLED BY A FIFTH VALVE OF SAID VALVES, AND TIMING MEANS FOR TIMING, OPENING AND CLOSING OF EACH SAID VALVE, SAID TIMING MEANS BEING ADJUSTABLE TO OPEN AND CLOSE EACH SAID VALVE INDEPENDENTLY OF EVERY OTHER SAID VALVE.