Suspended ceiling construction

Claim 1

IN A SUSPENDED CEILING INCLUDING MEANS FOR SECURING SAME TO IN SITU FRAMING MEMBERS, SAID SUSPENDED CEILING INCLUDING MODULAR MEMBERS AT LEAST TWO OF WHICH INCLUDE POWER CONDUCTING SPACED MEMBERS HAVING ELONGATED LIGHTING ELEMENTS EXTENDING THREBETWEEN AND SUPPORTED THEREBY, THE IMPROVEMENT WHICH COMPRISES STRUCTURE FOR REMOVING WARMED AIR RESULTING FROM THE OPERATION OF SAID LIGHTING ELEMENTS AND DIRECTING THE SAME TO THE SPACE ABOVE SAID SUSPENDED CEILING AND FOR IMPROVING THE STARTING CHARACTERISTICS OF SAID LIGHTING ELEMENTS, SAID STRUCTURE COMPRISING A PAIR OF ELONGATED LATERALLY SPACED ANGLE MEMBERS EXTENDING BETWEN SAID POWER CONDUCTING SPACED MEMBERS AND OVERLYING SAID LIGHTING ELEMENTS, MEANS COMPRISING A THREADED MEMBER SECURED BETWEEN SAID SPACED ANGLE MEMBERS FOR MAINTAINING SAID MEMBERS IN SPACED APART RELATIONSHIP ELECTRICALLY GROUNDED ELONGATED METAL MEANS SUPPORTED BY SAID LAST NAMED MEMBERS AND ADJUSTABLE IN POSITION WITH RESPECT THERETO, SAID ELONGATED MEANS HAVING WING-ELEMENTS WHICH UNDERLIE SAID SPACED ANGLE MEMBERS AND OVERLIE SAID LIGHTING ELEMENT, AND MEANS FOR ADJUSTING THE POSITION OF SAID ELONGATED MEANS COMPRISING A SCREW COOPERATING WITH SAID ELONGATED MEANS AND SAID THREADED MEMBER.