Projection lamp with air cooling

Claim 1

IN A PROJECTION LAMP, A LAMP HOUSING, A HIGH PRESSURE GASEOUS DISCHARGE LAMP MOUNTED IN SAID HOUSING PROVIDING A LIGHT SOURCE, A CONCAVE REFLECTOR MIRROR MOUNTED IN SAID HOUSING AND ADJACENT SAID LAMP ON ONE SIDE THEREOF FOR DIRECTING A LIGHT BEAM IN A PREDETERMINED DIRECTION A GUIDEWAY MOUNTED IN SAID HOUSING OFFSET FROM AND EXTENDING PARALLEL WITH SAID LIGHT BEAM, A SUPPORT SLIDABLY MOUNTED ON SAID GUIDEWAY, AN AIR BLOWER MOUNTED ON AND MOVABLE WITH SAID SUPPORT WITHIN SAID HOUSING HAVING ITS DISCHARGE OPENING EXTENDING IN A DIRECTION TOWARD SAID LIGHT BEAM FOR DIRECTING AND FORCING A STREAM OF COOLING AIR TOWARD SAID GASEOUS DISCHARGE LAMP, AN AIR DEFLECTOR MOUNTED ADJACENT SAID DISCHARGE OPENING ON ONE SIDE THEREOF FOR DIRECTING THE AIR CURRENT OVER DIFFERENT AREAS OF SAID DISCHARGE LAMP, SAID DEFLECTOR BEING MOUNTED ON AND MOVABLE WITH SAID SUPPORT WHEREBY SAID SUPPORT CAN BE MOVED TOWARD AND AWAY FROM SAID GASEOUS DISCHARGE LAMP TO AN OPERATIVE COOLING POSITION OR TO AN INOPERATIVE POSITION TO PERMIT ACCESS TO SAID GASEOUS DISCHARGE LAMP.