Evaporative cooler construction

Claim 1

IN AN EVAPORATIVE COOLER CONSTRUCTION THE COMBINATION OF: AN EVAPORATIVE COOLER COMPRISING A HOUSING HAVING OPPOSITE SIDES EACH PROVIDED WITH AN INLET GRILL AND OUTLET GRILL; AN EVAPORATIVE COOLER PAD INWARDLY OF EACH OF SAID INLET GRILLS; MEANS FOR SUPPLYING WATER TO THE UPPER PORTIONS OF SAID PADS; A SUMP WITHIN SAID HOUSING BELOW SAID PADS; A BLOWER WITHIN SAID HOUSING HAVING INLET MEANS DISPOSED TO EFFECT AIR FLOW INWARDLY THROUGH SAID INLET GRILLS AND THROUGH SAID EVAPORATIVE COOLER PADS; A BLOWER OUTLET FOR SAID DISPOSED AT THE TOP THEREOF; LATERALLY DISPOSED DUCT MEANS COMMUNICATING WITH SAID BLOWER OUTLET AND EACH OF SAID OUTLET GRILLS; EACH OF SAID OUTLET GRILLS BEING DISPOSED ABOVE A RESPECTIVE INLET GRILL; AND DAMPER MEANS DISPOSED ALTERNATELY TO MODULATE OR SHUT OFF FLOW FROM SAID BLOWER OUTLET TO EITHER OF SAID DUCT MEANS AND A RESPECTIVE OUTLET GRILL, SAID DAMPER MEANS COMPRISING A PAIR OF DAMPER PLATES PIVOTALLY DISPOSED OVER SAID BLOWER OUTLET AND INDIVIDUALLY POSITIONABLE IN THE FLOW FROM SAID BLOWER OUTLET TO RESPECTIVE DUCT MEANS TO CONTROL AIR FLOW FROM SAID BLOWER OUTLET INTO RESPECTIVE DUCT MEANS WHEREBY A PORTION FLOW BETWEEN SAID DUCT MEANS, WHEREIN SAID DAMPER PLATES ARE MOUNTED ON A COMMON AXIS AND PIVOTAL THEREAROUND, SAID COMMON AXIS BEING DISPOSED OVER SAID BLOWER OUTLET.