Air break switch and a mounting base therefor

Claim 1

IN COMBINATION, A LONGITUDINAL STRUCTURAL BASE HAVING A PAIR OF SPACED PARALLEL MOUNTING WEBS AND A PAIR OF SPACED PARALLEL TRANSVERSE WEBS RESPECTIVELY INTERCONNECTED TO THE FACING SURFACES OF SAID MOUNTING WEBS INBOARD OF THE SIDE EDGES OF SAID MOUNTING WEBS WHEREBY SAID BASE HAS A SUBSTANTIALLY RECTANGULAR TUBULAR STRUCTURE EXTENDING THROUGHOUT THE LONGITUDINAL LENGTH THEREOF AND ONE OF SAID MOUNTING WEBS HAS MOUNTIFNG PORTIONS EXTENDING BEYOND SAID TRANSVERSE WEBS, SAID MOUNTING PORTIONS OF SAID ONE MOUNTING WEB BEING THICKER THAN THE PORTION THEREOF DISPOSED INTERMEDIATE SAID TRASVERSE WEBS AN AIR BREAK SWITCH DISPOSED ON SAID ONE MOUNTING WEB OF SAID BASE, SAID AIR BACK SWITCH INCLUDING STACK MEANS DISPOSED IN LONGITUDINALLY ALIGNED REALTION ALONG THE LONGITUDINAL AXIS OF SAID MOUNTING WEB AND EXTENDING SUBSTANTIALLY PERPENDICULAR RELATIVE THERETO SAID AIR BREAK SWITCH INCLUDING MOVABLE SWITCH ARM MEANS FOR OPENING AND CLOSING SAID AIR BREAK SWITCH TO ONLY SAID MOUNTING PORTIONS STACK MEANS AND BEING SUBSTANTIALLY PARALLEL WITH THE LONGITUDINAL AXIS OF SAID BASE, AND FASTENING MEANS FASTENING SAID SWITCH, SAID ARM MEANS EXTENDING ACROSS SAID OF SAID ONE MOUNTING WEB OUTBOARD OF SAID TRANSVERSE WEBS WHEREBY SAID INTERCONNECTED BASE AND SWITCH MINIMIZE TORSIONAL FORCES IMPOSED THEREON DURING A SHORT-CIRCUITED CONDITION SO THAT DEFLECTION IN SAID BASE IS MINIMIZED.