Structure for handling food

Claim 1

THE COMBINATION WITH APPARATUS OF THE CLASS DESCRIBED FOR KEEPING FOOD HELD IN RECEPTACLES, THE APPARATUS COMPRISING A CASING HAVING AN OUTER SHELL INCLUDING A FRONT VERTICAL WALL AND A PAIR OF SIDE-BYSIDE VERTICALLY EXTENDING INTERIOR SPACES, EACH OF THE TERIOR SPACES BEING DEFINED BY OPPOSING SIDE WALLS, BACK WALL, AND TOP AND BOTTOM WALLS AND HAVING ACCESS OIPENING AT THE FRONT VERTICAL WALL OF THE OUTER SHELL, AND CLOSURE MEANS FOR THE ACCESS OPENINGS MOVABLE BETWEEN CLOSED AND OPEN POSITIONS, EACH SPACE HAVING A FIRST SURFACE AT THE VICINITY OF THE BOTTOM WALL THEREOF, OF STRUCTURE FOR HANDLING FOOD COMPRISING FIRST AND SECOND MEANS FOR STACKING A PLURALITY OF RECEPTACLE ONE ABOVE ANOTHER IN VERTICALLY SPACED RELATION, EACH OF THE FIRST AND SECOND STACKING MEANS COMPRISING A VERTICALLY EXTENDING FRAME, A PLURALITY OF SHELVES AND MEANS ON THE FRAME FOR CARRYING THE SHELVES, ONE ABOVE ANOTHER IN VERTICALLY SPACED REALTION AND UPON WHICH THE RECEPTACLES ARE ADAPTED TO BE SUPPORTED, A FIRST GUIDEWAY AT THE FIRST SURFACE OF EACH OF THE SPACES FOR SUPPORT A DIFFERENT ONE OF THE FRAME AND ON WHICH THE FRAME SUPPORTED THEREBY IS MOVABLE, A MOVABLE RECTANGULAR-SHAPED WHEELED CART, THE CART HAVING SUBSTANTIALLY PARALLEL SIDES EXTENDING LENGTHWISE OF THE CART AND ENDS TRANSVERSE TO THE SIDES AWND BRIDGING THE LATTER, A PAIR OF SECOND GUIDEWAYS IN SIDE-BY-SIDE RELATION ON THE CART FOR SUPPORTING THE FRAMES AT SUBSTANTIALLY THE SAME VERTICAL HEIGHT AS THE FIRST GUIDE-