Electromagnetically operated tool

Claim 1

IN A PORTABLE TOOL, A HOUSING HAVING A CHAMBER, A WINDING DISPOSED IN SAID CHAMBER, WORK ENGAGING MEANS INCLUDING A MAGNETIC PORTION DISPOSED ADJACENT SAID WINDING, A FLEXIBLE CABLE CONNECTED TO SAID HOUSING AND ADAPTED TO SUPPLY AN ALTERNATING CURRENT POTENTIAL TO SAID TOOL, AND CONTROL CIRCUIT ELEMENTS CARRIED SOLELY TO SAID HOUSING AND CONNECTED TO SAID CABLE AND SAID WINDING, SAID CONTROL CIRCUIT ELEMENTS INCLUDING BOTH A MANUALLY ACTUATED SWITCH MEANS OPERABLE AT RANDOM TIMES RELATIVE TO THE ALTERNATING CURRENT POTENTIAL AND MEANS CONTROLLED BY ACTUATION OF SID SWITCH MEANS AND RESPONSIVE TO THE POLARITY AND AMPLITUDE OF THE ALTERNATING CURRENT POTENTIAL FOR RENDERING NO MORE THAN ONE FULL CYCLE OF SAID ALTERNATING CURRENT POTENTIAL EFFECTIVE TO PRODUCE A FLOW OF CURRENT THROUGH SAID WINDING TO OPERATE SAID TOOL SO THAT THE TOOL IS OPERATED A SINGLE TIME INDEPENDENT OF THE LENGTH OF THE PERIOD DURING WHICH THE SWITCH MEANS IS MAINTAINED IN AN OPERATED CONDITION.