Closure operator

Claim 1

IN A CLOSURE OPERATOR, THE COMBINATION OF A FIRST CONTROL CIRCUIT INCLUDING VOLTAGE SUPPLY MEANS, A NORMALLY OPEN SWITCH MEANS CONNECTED ACROSS SAID VOLTAGE MEANS, RELAY MEANS FOR ACTUATION BY SAID VOLTAGE MEANS THROUGH SAID SWITCH MEANS, A SECOND CONTROL CIRCUIT INCLUDING FIRST CONTACT MEANS FOR CONNECTING SAID SECOND CIRCUIT TO SAID FIRST CIRCUIT UPON ENERGIZATION OF SAID RELAY MEANS, A REVERSIBLE MOTOR, A NORMALLY OPEN SPEED RESPONSIVE SWITCH TO BE ACTUATED WHEN SAID MOTOR REACHES A PREDETERMINED OPERATING SPEED, TWO STATE SWITCHING MEANS HAVING CONTACTS ALTERNATELY POSITIONED IN THE TWO STATES BY SUCCESSIVE OPERATIONS OF SAID RELAY MEANS, MEANS CONNECTED BY SAID TWO STATE SWITCHING MEANS FOR RESPECTIVELY OPERATING SAID MOTOR TO CLOSE AND OPEN SAID CLOSURE IN SAID ALTERNATE POSITIONS, AND A THIRD CONTROL CIRCUIT INCLUDING A SECOND CONTACT MEANS INTERCONNECTED WITH SAID SWITCHING MEANS FOR ALTERNATIVELY CONNECTING AND DISCONNECTING SAID THIRD CIRCUIT TO AND FROM SAID FIRST CIRCUIT UPON ENERGIZATION OF SAID RELAY MEANS, A LAMP CONNECTED BY SAID SECOND CONTACT MEANS FOR ENERGIZATION WHEN SAID SWITCHING MEANS IS IN THAT ALTERNATE POSITION WHERE THE MOTOR IS NORMALLY CONNECTED FOR OPENING THE CLOSURE, WHEREBY SAID LAMP MAY BE TURNED ON AND OFF IN BOTH CLOSED AND OPEN POSITIONS OF THE CLOSURE BY MOMENTARILY CLOSING SAID SWITCH MEANS FOR A PERIOD LESS THAN THE PERIOD REQUIRED FOR SAID MOTOR TO REACH SAID PREDETERMINED SPEED TO THEREBY ENERGIZE SAID THIRD CIRCUIT BUT NOT SAID SECOND CIRCUIT BY PREVENTING THE CLOSURE OF SAID SPEED RESPOSIVE SWITCH IN SAID SECOND CIRCUIT.