Air diffusing light fixture

Claim 1

IN APPARATUS OF THE CHARACTER DESCRIBED, AN ELONGATED HOUSING HAVING TOP, SIDE AND END WALLS DEFINING AN OPEN BOTTOM, SAID END WALLS BEING FLAT TO ACCOMMODATE A MOUNTING OF A PLURALITY OF HOUSINGS IN END-TO-END, ABUTTING RELATION, BOLT MEANS EXTENDING THROUGH SAID TOP WALL FOR SECURING SAID HOUSING TO A SUPPORTING STRUCTURE, A REFLECTOR ELONGATED LENGTHWISE OF SAID HOUSING AND SECURED THERETO A SPACED DISTANCE BELOW SAID TOP WALL, SAID REFLECTOR BEING EQUIPPED WITH A PAIR OF UPSTANDING TRANSVERSE RIBS DEFINING WITH SAID TOP WALL END AND CENTRAL PLENUMS, SAID REFLECTOR HAVING DOWNWARDLY CURVED SIDE WALLS SPACED FROM CORRESPONDING SIDE WALLS OF SAID HOUSING TO PROVIDE A PAIR OF AIR OUTLET PASSAGES, SAID REFLECTOR SIDE WALLS BEING EQUIPPED WITH INWARDLY DIRECTED FLANGES AT THEIR LOWER ENDS, A BALLAST SECURED TO SAID TOP WALL AND POSITIONED AT ONE OF SAID END PLENUMS, A DUCT CONNECTED TO SAID TOP WALL AND COMMUNICATING WITH SAID CENTRAL PLENUM, A PLURALITY OF FLUORESECENT TUBE SOCKETS ON EACH END WALL POSITIONED BELOW SAID REFLECTOR, SAID REFLECTOR HAVING END SLOTS AFFORDING MEANS FOR PASSING SAID REFLECTOR PAST SAID SOCKETS FOR MOUNTING SAID REFLECTORS, A PLURALITY OF FLUORESECENT TUBES EXTENDING BETWEEN SAID SOCKETS, MEANS ELECTRICALLY COUPLING SAID TUBES TO SAID BALLAST, A DOOR RELEASEABLY MOUNTED ON SAID HOUSING AND, IN ITS CLOSED POSITION, ABUTTING SAID REFLECTOR FLANGES, SAID DOOR INCLUDING AN ELONGATED PERIMETRIC FRAME SUPPORTING A LIGHT-TRANSMITTING GLASS PANEL, SAID DOOR, AT THE ENDS THEREOF, PROVIDING WITH SAID END WALLS A DISCRETE SPACE, SAID FRAME BEING EQUIPPED WITH AN UPSTANDING FLANGE ALONG THE LOWER SIDES THEREOF AND AN INVERTED U-SHAPED UPSTANDING PORTION PARALLEL TO AND SPACED INWARDLY OF SAID UPSTANDING FLANGE, AND A PLURALITY OF SLOTS IN EACH USHAPED PORTION, WITH THE SLOTS INCREASING THE LENGTH AS THE FRAME ENDS ARE APPROACHED.