Lighting fixture mounting means

Claim 1

A SUPPORT MECHANISM FOR AN ILLUMINATOR FIXTURE OF THE ELONGATE LUMINOUS TUBE TYPE, COMPRISING A HOLLOW BRACKET ARM HAVING A CHAMBER THEREIN, AN OFFSET TERMINAL PORTION FORMED WITH AN OPENING COMMUNICATING WITH SAID CHAMBER, SAID CHAMBER ADAPTED TO RECEIVE ELECTRICAL CONNECTORS, SAID ARM INCLUDING A FORWARDLY CLOSED END PORTION HAVING A FLAT SIDE FACE FORMED WITH AN APERTURE COMMUNICATING WITH THE CHAMBER, SAID SIDE FACE HAVING SERRATIONS FORMED THEREIN CIRCUMSCRIBING THE APERTURE, A CLAMP SCREW MOUNTED IN THE CLOSED END AND EXTENDING THROUGH SAID APERTURE, SAID SCREW HAVING A PORTION PROJECTING FROM SAID APERTURE, A PAIR OF FIXTURE SUPPORTING END PLATES PIVOTALLY MOUNTED ON THE PROJECTING PORTION OF SAID SCREW, SAID PLATES COMPRISING A PAIR OF SYMMETRICAL OPPOSITELY DISPOSED END FITTINGS EACH HAVING A FLAT OUTER FACE AT ONE SIDE, A HOLLOW NECK FORMED WITH A CONDUCTOR CHAMBER OPENING INTO SAID FLAT OUTER FACES, AND HAVING A WEB AT ONE END PORTION OF THE CONDUCTOR CHAMBER FORMING A PARTIAL CLOSURE THEREOF, SAID WEB BEING FORMED WITH APERTURES EXTENDING THERETHROUGH, SAID WEB HAVING FORMED THEREIN A BORE RECEIVING THE CLAMP SCREW PORTION, SAID CLAMP SCREW PORTION EXTENDING THROUGH SAID PLATES TO THE INNER SIDES THEREOF, SAID INNER SIDES