Tray support and thermal wall for a hot and cold food service cart

Claim 1

A TRAY SUPPORT AND THERMAL WALL FOR A WALLED TRAY COMPARTMENT OF A FOOD SERVICE APPARATUS COMPRISING, IN COMBINATION, A PLURALITY OF VERTICALLY SUPERPOSED HEAT INSULATING THERMAL BARRIERS MOUNTING MEANS FOR SUPPORTING SAID THERMAL BARRIERS IN A SINGLE, GENERALLY VERTICAL ARRAY EXTENDING FROM FRONT TO BACK OF SUCH COMPARTMENT FOR DIVIDING SAID COMPARTMENT INTO THERMALLY DIFFERENT ZONES, EACH OF SAID THERMAL BARRIERS COMPRISING A VERTICALLY EXTENDING PARTITION AND COOPERATING CLOSURE MEANS ON THE BOTTOM AND TOP OF SUCH PARTITION FOR EFFECTING THERMAL SEALING ENGAGEMENT WITH A SIMILAR VERTICALLY SUPERPOSED AND PROXIMATELY SPACED THERMAL BARRIER, SAID CLOSURE MEANS BEING DISENGAGEABLE BY THE INSERTION OF A FOOD TRAY LONGITUDINALLY THEREBETWEEN, A PAIR OF TRAY SUPPORT PLATES MOUNTED ON EACH OF SAID PARTITIONS AND EXTENDING LATERALLY OUTWARDLY THEREFROM IN A COMMON HORIZONTAL PLANE FOR SUPPORTING A TRAY INSERTED BETWEEN SAID CLOSURE MEANS ON SAID PARTITIONS, AND DISENGAGEABLE COOPERATING MEANS ON A WALL OF SAID COMPARTMENT AND ON SAID MOUNTING MEANS FOR REMOVABLY SUPPORTING SAID TRAY SUPPORT AND THERMAL WALL IN SAID COMPARTMENT.