Control center with withdrawable control unit

Claim 1

A CONTROL CENTER STRUCTURE COMPRISING A CABINET HAVING A CABINET OPENING THEREIN, A PLURALITY OF BUS BARS SUPPORTED IN SAID CABINET, A CONTROL UNIT COMPRISING A CONTROL UNIT SUPPORT SUPORTED IN SAID CABINET IN PROXIMITY TO SAID CABINET OPENING, A COVER SUPPORTED ON SAID CABINET AND MOVABLE TO OPEN AND CLOSE SAID CABINET OPENING, A CIRCUIT INTERRUPTER STRUCTURE SUPPORTED ON SAID SUPPORT SAID CIRCUIT INTERRUPTER STRUCTURE COMPRISING A PLURALITY OF PAIRS OF COOPERABLE CONTACTS, AN OPERATING MEMBERS SUPPORTED ON SAID SUPPORT, MEANS CONNECTING SAID OPERATING MEMBER WITH SAID CIRCUIT INTERRUPTER STRUCTURE REGARDLESS OF THE POSITION OF SAID COVER, SAID OPERATING MEMBER BEING MANUALLY MOVABLE TO OPEN AND CLOSE SAID PAIRS OF CONTACTS, SAID COVER HAVING AN OPENING THEREIN, WHEN SAID COVER IS MOVED TO THE CLOSED POSITION SAID OPERATING MEMBER PROTRUDING THROUGH SAID COVER OPENING TO PERMIT EXTERNAL OPERATING OF SAID CONTACTS, BUS BAR CONNECTING MEANS SUPPORTED ON SAID SUPPORT AND ELECTRICALLY CONNECTED TO SAID CIRCUIT INTERRUPTER STRUCTURE CONTACTS, SAID CONTROL UNIT BEING IN A CONNECTED POSITION WITH SAID BUS BAR CONNECTING MEANS BEING CONNECTED TO SAID BUS BARS, LATCH MEANS SUPPORTED ON SAID SUPPORT, SAID LATCH MEANS OPERATING AUTOMATICALLY WHEN SAID COVER IS MOVED TO THE OPEN POSITION AND SAID CONTACTS ARE IN THE OPEN POSITION TO PREVENT A CLOSING OPERATION OF SAID CONTACTS, MEANS OPERATING AUTOMATICALLY WHEN SAID COVER IS MOVED TO THE CLOSED POSITION TO DEFEAT SAID LATCH MEANS TO PERMIT A CLOSING OPERATION OF SAID CONTACTS, SAID CONTROL UNIT BEING SUPPORTED IN SAID CABINET SUCH THAT WHEN SAID COVER IS IN THE OPEN POSITION SAID CONTROL UNIT IS MOVABLE FROM SAID CONNECTED POSITION TO A DISCONNECTED POSITION WHEREIN SAID BUS BAR CONNECTING MEANS IS DISCONNECTED FROM SAID BUS BARS, MEANS FOR SUPPORTING SAID CONTROL UNIT ON SAID CABINET IN SAID DISCONNECTED POSITION, AND MEANS OPERABLE WHEN SAID CONTROL UNIT IS IN SAID DISCONNECTED POSITION TO PREVENT A CLOSING OPERATION OF SAID CABINET COVER TO THEREBY PREVENT AN AUTOMATIC DEFEAT OF SAID LATCH MEANS BY A CLOSING OPERATION OF SAID COVER.