Line beam illuminator

Claim 1

AN ILLUMINATOR COMPRISING A HOUSING, A PLANOPARABOLIC REFLECTOR WITHIN THE HOUSING AND HAVING A STRAIGHT LINE OF FOCUS WITHIN THE LIMITS OF THE REFLECTOR, A TUBULAR ELONGATE LAMP HAVING ELECTRIC TERMINAL ENDS, A PAIR OF ROCKABLE PIVOTS ON THE HOUSING ARRANGED IN AXIAL ALIGNMENT AND DISPOSED AT OPPOSITE SIDES OF THE HOUSING, SAID PIVOTS EACH HAVING AN INNER END DISPOSED INSIDE THE HOUSING AND AN OPPOSITE OUTER END DISPOSED EXTERIORLY OF THE HOUSING, A PAIR OF PARALLEL HANGERS EACH HAVING A PIVOT END FIXED TO THE INNER END OF A ROCKABLE PIVOT, AND A FREE END SWINGABLE ABOUT THE PIVOT AXES TOWARD AND FROM THE FOCAL LINE OF THE REFLECTOR, LAMP SOCKETS FIXED UPON THE FREE ENDS OF THE HANGERS IN OPPOSITION TO SUPPORT THE TERMINAL ENDS OF THE LAMP IN PARALLELISM WITH THE FOCAL LINE OF THE REFLECTOR, A RESILIENT ADJUSTING BAR SPANNING THE ILLUMINATOR HOUSING EXTERIORLY THEREOF, SAID BAR HAVING OPPOSITE ENDS FIXED TO THE OUTER ENDS OF THE ROCKABLE PIVOTS, WHEREBY SWINGING MOVEMENT OF THE BAR ABOUT THE PIVOT AXES COMPELS UNITARY SWINGING OF THE HANGERS AND THE LAMP SOCKETS TOGETHER WITH THE LAMP THEREBY SUPPORTED AND MEANS ON THE HOUSING EXTERIOR INTERMEDIATE THE ROCKABLE PIVOTS FOR FRICTIONALLY AND YIELDINGLY ENGAGING THE ADJUSTING BAR AND HOLDING THE LATTER IN SELECTED POSITIONS OF ADJUSTMENT TO ESTABLISH A SELECTED SPACING OF THE LAMP RELATIVE TO THE FOCAL LINE OF THE REFLECTOR.