Electric circuit breaker and mounting means therefor

Claim 1

AN ELECTRICAL PANELBOARD COMPRISING A GENERALLY FLAT MOUNTING PAN, A PLURALITY OF ELONGATED FLAT BUS BARS OF SUBSTANTIALLY THE SAME CROSS SECTIONAL SHAPE, AND A PLURALITY OF ELONGATED INSULATORS, SAID BUS BARS BEING INTERLEAVED BETWEEN SAID INSULATORS TO FORM A STACK, SAID INSULATORS BEING SUBSTANTIALLY COEXTENSIVE LONGITUDINALLY WITH SAID BUS BARS, SAID STACK OF INSULATORS AND BUS BARS BEING SECURED TO SAID MOUNTING PAN WITH THE FLAT SIDES OF SAID BUS BARS PARALLEL TO SAID MOUNTING PAN AND A REAR ONE OF SAID INSULATORS DISPOSED BETWEEN SAID MOUNTING PAN AND A RAER ONE OF SAID BUS BARS, AND A PORTION OF SAID REAR INSULATOR ADJACENT SAID MOUNTING PAN PROJECTING BEYOND SAID BUS BARS TRANSVERSELY THEREOF IN A DIRECTION PARALLEL TO SAID MOUNTING PAN AND HAVING A PLURALITY OF LOCATING MEANS THEREON EQUALLY SPACED LONGITUDINALLY ALONG SAID REAR INSULATOR AND ADAPTED TO COOPERATE SELECTIVELY WITH COMPLEMENTARY LOCATING MEANS ON A CASING A CIRCUIT BREAKER UPON ENDWISE MOVEMENT OF THE CIRCUIT BREAKER FOR ELECTRICALLY CONNECTING THE CIRCUIT BREAKER TO THE BUS BARS.