Circuit breaker panel assembly

Claim 1

AN ELECTRIC CONTROL DEVICE PANEL ASSEMBLY COMPRISING: (A) A GENERALLY PLANAR SUPPORT HAVING A BACK SURFACE AND A FRONT SURFACE, (B) AT LEAST ONE ELECTRICAL BUS BAR CONDUCTOR SUPPORTED ON SAID FRONT SURFACE OF SAID SUPPORT, (C) A PLURALITY OF ELECTRIC CIRCUIT CONTROL DEVICES SUPPORTED IN MOUNTED POSITION ON SAID FRONT SURFACE OF SAID SUPPORT AND EACH ELECTRICALLY CONNECTED TO AT LEAST ONE OF SAID BUS BARS. (D) A LOCKING BAR RELEASABLY MOUNTED IN A FIXED POSITION ON SAID FRONT SURFACE OF SAID SUPPORT BY RETAINING MEANS, SAID RETAINING MEANS COMPRISING MEANS IMPEDING RELEASE ON SAID LOCKING BAR BY ACCESS FROM THE FRONT SIDE OF SAID SUPPORT, (E) INTERENGAGING MEANS CARRIED BY EACH OF SAID DEVICES AND SAID LOCKING BAR, (F) SAID INTERENGAGING MEANS COMPRISING MEANS PREVENTING REMOVAL OF SAID DEVICES FROM SAID SUPPORT WHILE SAID LOCKING BAR IN SAID FIXED POSITION BUT NOT PREVENTING INSERTION OF SAID DEVICES INTO SAID MOUNTED POSITION WHILE SAID LOCKING BAR IS IN SAID FIXED POSITION.