Light fixture

Claim 1

A CASING HAVING U-SHAPED BACK WALL OPENING FORWARDLY AND END WALLS AND INTERNAL RIBS EXTENDING INWARDLY FOR THE INTERNAL FACE OF THE CASING; INTERNAL REFLECTOR MEANS BEARING AGAINST THE RIBS AND INCLUDING A FORWARDLY OPENING PARABOLIC SHAPED REFLECTOR WITH OPPOSITE ENDS ADJACENT THE END WALLS, AND A PAIR OF END REFLECTORS ADJACENT TO BUT SPACED FROM THE END WALLS; A PAIR OF BULB CONNECTORS DISPOSED AT LEAST PARTIALLY IN THE RESPECTIVE SPACES BETWEEN THE END REFLECTORS AND THE RESPECTIVE END WALLS; AN ELONGATED BULB POSITIONED SUBSTANTIALLY ON THE FOCUS AXIS OF THE PARABOLIC REFLECTOR WITH OPPOSITE ENDS THEREOF SUPPORTED BY AND CONNECTED TO THE RESPECTIVE BULB CONNECTORS, THERE BEING OPENINGS IN THE END REFLECTORS SUFFICIENTLY LARGE TO PERMIT MOVEMENT OF THE BULB AND BULB CONNECTORS; MEANS IN THE SPACING BETWEEN THE END REFLECTORS AND END WALLS MOUNTING EACH BULB CONNECTOR ON THE CASING FOR MOVEMENT FORE AND AFT AND IN RESPECT TO THE FORWARDLY OPENING PARABOLIC REFLECTOR INCLUDING A PAIR OF ADJUSTING ELEMENTS EXTENDING THROUGH THE CASING WALL AND OPERATIVELY CONNECTED TO THE RESPECTIVE ADJUSTING MEANS FOR EFFECTING MOVEMENT OF THE RESPECTIVE ENDS OF THE BULB, SAID ELEMENTS HAVING PORTIONS EXTERNAL OF THE CASING FOR EFFECTING THE MOVEMENT.