Device for cutting strips at selected intervals

Claim 1

IN A DEVICE FOR CUTTING A STRIP AT SELECTED INTERVALS, IN COMBINATION, FEED MEANS FOR FEEDING A STRIP TO BE CUT; CUTTING MEANS FOR CUTTING A STRIP; A SINGLE REVERSIBLE ELECTRIC MOTOR; FIRST, SECOND, AND THIRD ROTARY SHAFTS, SAID FIRST SHAFT BEING OPERATIVELY CONNECTED TO SAID MOTOR TO BE DRIVEN THEREBY ALTERNATELY IN OPPOSITE DIRECTIONS, SAID SECOND SHAFT BEING OPERATIVELY CONNECTED WITH SAID FEED MEANS WHICH FEEDS A STRIP WHICH IS TO BE CUT, AND SAID THIRD SHAFT BEING OPERATIVELY CONNECTED WITH SAID CUTTING MEANS FOR CUTTING THE STRIP, ELECTRONMAGNETIC CLUTCH MEANS OPERATIVELY CONNECTED WITH SAID SECOND AND FIRST SHAFTS FOR TRANSMITTING A DRIVE FROM SAID FIRST TO SAID SECOND SHAFT TO OPERATE SAID FEED MEANS WHEN SAID ELECTROMAGNETIC CLUTCH MEANS IS ENGAGED; OVERRUNNING CLUTCH MEANS OPERATIVELY CONNECTED WITH SAID FIRST AND THIRD SHAFTS FOR ACTUATING SAID THIRD SHAFT TO OPERATE SAID CUTTING MEANS WHEN SAID OVERRUNNING CLUTCH MEANS IS ENGAGED UPON ROTATION OF SAID FIRST SHAFT IN ONLY ONE OF SAID OPPOSITE DIRECTIONS; AND CONTROL MEANS OPERATIVELY CONNECTED WITH SAID ELECTROMAGNETIC MEANS AND SAID MOTOR FOR PERIODICALLY REVERSING SAID ELECTRIC MOTOR TO ALTERNATELY DRIVE SAID FIRST SHAFT IN SAID OPPOSITE DIRECTIONS AND FOR ENERGIZING SAID ELECTROMAGNETIC MEANS ONLY DURING ROTATION OF SAID FIRST SHAFT IN THE OTHER OF SAID OPPOSITE DIRECTIONS, WHEREBY SAID FEED MEANS AND SAID CUTTING MEANS WILL BE ALTERNATELY ACTUATED.