System for refrigerating display cases

Claim 1

A SYSTEM FOR USE IN THE DISPLAY AND MERCHANDISING OF REFRIGERATED PRODUCTS COMPRISING A PLURALITY OF REFRIGERATED DISPLAY CASES ARRANGED ADJACENT AN AISLE, SAID DISPLAY CASES HAVING DISPALY SPACES THEREIN EACH OF WHICH IS PROVIDED WITH A BOTTOM AND WITH A FRONT WALL FACING ON THE AISLE AND EXTENDING UPWARD FROM THE BOTTOM OF THE CASE, EACH CASE FURTHER BEING PROVIDED WITH A CHAMBER LOCATED BENEATH THE BOTTOM OF THE CASE AND PRESENTING AN ACCESS OPENING FACING TOWARD SAID AISLE BELOW THE FRONT WALL OF THE DISPLAY SPACE, EACH OF SAID CASES HAVING A SEPARATE MEANS THEREIN FOR REFRIGERATING ITS DISPLAY SPACE, SAID SEPARATE MEANS INCLUDING A WATER COOLED CONDENSER LOCATED IN THE CHAMBER IN THE CASE, AW COMMON COOLING WATER FEED LINE AND A COMMON WATER RETURN LINE EXTENDING PARALLEL TO SAID ASILE AND LOCATED REARWARDLY OF THE FRONT WALLS OF SAID DISPLAY CASES AND ADJACENT TO THE CHAMBERS IN SAID CASES, SAID COMMON COOLING WATER FEED LINE HAVING CONNECTIONS EXTENDING THEREFROM TO THE CONDENSER IN EACH CASE, SAID COMMON RETURN LINE ALSO HAVING A CONNECTION EXTENDING THEREFROM TO THE CONDENSER IN EACH CASE, MEANS FOR CIRCULATING WATER THROUGH SAID COMMON LINES TO AND FROM EACH OF SAID CONDENSERS, AND MEANS FOR COOLING THE WATER THUS CIRCULATED.