Ink control device for fountain roll

Claim 1

AN INK CONTROL DEVICE FOR A FOUNTAIN ROLL COMPRISING A FLEXIBLE BLADE EXTENDING PARALLEL TO THE LONGITUDINAL AXIS OF SAID ROLL FOR REMOVING EXCESS INK THEREFROM; A SERIES OF PIVOTABLE LEVERS EXTENDING PARALLEL TO SAID BLADE FOR FLEXING SAID BLADE LATERALLY, ONE END OF EACH OF SAID LEVERS BEING ROUNDED AND ENGAGING SAID BLADE; A SCREW ROTATABLY THREADED IN THE END OF EACH SAID LEVER OPPOSITE THE ROUNDED END; A STOP AGAINST WHICH AN END OF SAID SCREW BEARS; A TOOTHED RATCHET WHEEL MOUNTED ON THE OTHER END OF EACH SAID SCREW FROM SAID END BEARING ON SAID STOP; TWO PNEUMATIC CYLINDERS ASSOCIATED WITH EACH SAID LEVER; A SOURCE OF PNEUMATIC PRESSURE CONNECTED TO EACH OF SAID CYLINDERS; OPERATOR CONTROL MEANS FOR SELECTIVELY ADMITTING PNEUMATIC PRESSURE FROM SAID SOURCE TO EITHER OF SAID TWO PNEUMATIC CYLINDERS ASSOCIATED WITH A LEVER; A PISTON MOVABLE IN EACH SAID CYLINDER IN RESPONSE TO SAID PNEUMATIC PRESSURE; A PAWL-LIKE PROJECTION ON AN END OF EACH SAID PISTON ENGAGING A TOOTH ON SAID TOOTHED RATCHET WHEEL, SAID PAWL-LIKE PROJECTION AND SAID TOOTHED RATCHET WHEEL COMPRISING TOGETHER A LIMIT MEANS FOR LIMITING ROTATION OF SAID SCREW UPON EACH ADMISSION OF PNEUMATIC PRESSURE INTO A CYLINDER; EACH ACTUATION OF SAID OPERATOR CONTROL MEANS CAUSING PNEUMATIC PRESSURE TO BE ADMITTED TO A CYLINDER TO ROTATE A SCREW WHICH IN TURN PIVOTS A LEVER SO AS TO FLEX SAID BLADE A PREDETERMINED AMOUNT.