Refrigeration cabinet

Claim 1

A REFRIGERATED DISPLAY CABINET INCLUDING MEANS FOR COOLING THE INTERIOR THEREOF AND FURTHER COMPRISING: (A) SPACED END WALLS AND FRONT AND REAR WALLS DEFINING AN OPEN-TOP FOOD CASE, (1) SAID REAR WALL BEING OF GREATER HEIGHT THAN THE END WALLS, AND (2) THE REAR PORTIONS OF THE END WALLS HAVING UPWARDLY DIRECTED EXTENSIONS, (B) A TOP WALL EXTENDING BETWEEN THE UPPER PORTIONS OF SAID END WALL EXTENSIONS AND DEFINING WITH THE REAR WALL A FORWARDLY OPENING HOUSING OVERLYING THE REAR PORTION OF SAID FOOD CASE, (C) A SLIDABLE COVER OVERLYING THE OPEN TOP OF SAID FOOD CASE, SAID COVER HAVING AN ELONGATED TOP WALL, FRONT WALL AND OPPOSED END WALLS, (D) THE TOP WALL, FRONT WALL AND END WALLS OF SAID COVER BEING FORMED FROM A GENERALLY TRANSPARENT PLASTIC MATERIAL AND BEING MOLDED AS AN INTEGRAL ONE-PIECE UNIT, (E) MEANS MOUNTING SAID COVER FOR SLIDING MOVEMENTS ON THE CABINET END WALLS BETWEEN AN INOPERATIVE STORAGE POSITION WITHIN SAID HOUSING AND AN OPERATIVE POSITION FORWARDLY OF SAID HOUSING AND COVERING THE OPEN TOP OF SAID FOOD CASE, AND (F) CENTER GUIDE MEANS POSITIONED GENERALLY INTERMEDIATE THE OPPOSITE ENDS OF SAID COVER, SAID CENTER GUIDE MEANS COMPRISING: (1) AN ELONGATED GENERALLY HORIZONTAL CENTER RAIL CARRIED BY SAID CABINET TOP WALL, AND (2) AN UPSTANDING GUIDE ELEMENT MOUNTED ON THE TOP WALL OF SAID COVER ADJACENT THE REAR THEREOF AND COOPERATING WITH THE CENTER GUIDE RAIL DURING MOVEMENT OF SAID COVER BETWEEN ITS INOPERATIVE AND OPERATIVE POSITIONS.