Strip type air distributor

Claim 1

AN AIR DISTRIBUTOR HAVING, IN COMBINATION, LATERALLY SPACED AND SUBSTANTIALLY PARALLEL SIDEWALLS DEFINING THE SIDES OF AN AIR PASSAGE HAVING AN ELONGATED OUTLET END, FLANGES EXTENDING INWARDLY FROM SAID WALLS AT SAID OUTLET END SUBSTANTIALLY IN A COMMON PLANE AND PERPENDICULAR TO THE WALLS WITH THE ADJACENT EDGES OF SAID FLANGES SPACED APART TO DEFINE AN ELONGATED AIR DISCHARGE SLOT GENERALLY CENTERED IN SAID OUTLET END, A PINTLE DISPOSED WITHIN SAID PASSAGE GENERALLY PARALLEL TO SAID SLOT AND OVERLYING THE LATTER MIDWAY BETWEEN SAID WALLS, SUPPORTS SPACED APART ALONG SAID PASSAGE LONGITUDINALLY OF SAID SLOT AND SECURED TO SAID WALLS WITH THE OPPOSITE ENDS OF SAID PINTLE MOUNTED ON SAID SUPPORTS, TWO ELONGATED VANES EACH HAVING A LONGITUDINAL EDGE EXTENDING ALONG SAID PINTLE AND ENDS CLOSE TO THE RESPECTIVE SUPPORTS, AND MEANS HINGEDLY CONNECTING EACH OF SAID LONGITUDINAL EDGES TO SAID PINTLE, SAID VANES BEING SWINGABLE ABOUT THE PINTLE FROM BLOCKING POSITIONS SUBSTANTIALLY CLOSING SAID PASSAGE INTO SIDE-BYSIDE POSITIONS EXTENDING DOWNSTREAM FROM THE PINTLE TOWARD SAID SLOT, AND BEING SWINGABLE BOTH TOGETHER AND INDEPENDENTLY ABOUT SAID PINTLE INTO DIFFERENT SELECTED ANGULAR POSITIONS TO VARY THE ANGLE OF DISCHARGE OF AIR THROUGH SAID SLOT.