Full volume refrigerator

Claim 1

A REFRIGERATOR CABINET COMPRISING: AN OUTER SHELL, A LINER AND A C-SHAPED METAL EVAPORATOR WITHIN AND SPACED FROM SAID SHELL AND COOPERATING TO DEFINE A STORAGE VOLUME INCLUDING A LOWER FRESH FOOD STORAGE COMPARTMENT AND AN UPPER FREEZER COMPARTMENT, MEANS FOR SECURING THE SIDE EDGES OF SAID C-SHAPED EVAPORATOR DIRECTLY TO SAID LINER TOP PORTION AND TO SAID LINER SIDE WALLS REARWARDLY FROM THE FRONT EDGES OF SAID LINER SIDE WALLS TO FORM THE TOP, REAR AND BOTTOM WALLS OF SAID FREEZER, SAID LINER INCLUDING SIDE WALLS FORMING THE SIDE WALLS OF BOTH OF SAID COMPARTMENTS AND A REAR WALL FORMING THE REAR WALL OF SAID FRESH FOOD COMPARTMENT, SAID LINER SIDE WALLS EACH HAVING A PLURALITY OF SPACED VERTICALLY EXTENDING ROWS OF SLOTS BETWEEN THE UPPER AND LOWER FRONT EDGES OF SAID EVAPORATOR AND HORIZONTALLY EXTENDING ROWS OF SLOTS IMMEDIATELY BELOW THE SIDE EDGES OF THE BOTTOM WALL OF SAID EVAPORATOR TO FORM THERMAL BREAKS BETWEEN THE PORTIONS OF SAID SIDE WALLS FORMING PART OF SAID FREEZER COMPARTMENT AND THE PORTIONS THEREOF EXPOSED TO THE TEMPERATURES IN SAID FRESH FOOD COMPARTMENT, A SHEET OF PLASTIC MATERIAL SPACED REARWARDLY FROM SAID EVAPORATOR REAR WALL AND HAVING ITS EDGE PORTIONS JOINED TO THE ADJACENT EDGES OF SAID LINER SIDE AND REAR WALLS AND TO THE REAR TOP EDGE OF SAID EVAPORATOR TO FORM A DUCT EXTENDING FROM SAID FRESH FOOD COMPARTMENT UPWARDLY ALONG THE REAR WALL OF SAID EVAPORATOR, SAID EVAPORATOR REAR WALL INCLUDING AN OPENING THEREIN COMMUNICATING WITH SAID DUCT TO PERMIT RELATIVELY WARM AIR TO CIRCULATE THROUGH SAID FREEZER COMPARTMENT AND RETURN TO SAID FRESH FOOD COMPARTMENT THROUGH SAID OPENING AND SAID DUCT.