Street lighting luminaire

Claim 1

A LUMINAIRE COMPRISING AN INVERTED DISHED HOUSING HAVING A BOTTOM OPENING, LAMP HOLDING MEANS MOUNTED IN SAID HOUSING FOR SUPPORTING A LIGHT SOURCE, AN INVERTED DISHED REFLECTOR HAVING A BOTTOM OPENING, AN APERTURE IN ONE END OF SAID REFLECTOR AND SLIDABLY ENGAGING SAID LAMP HOLDING MEANS, RESILIENT SPRING LATCH MEANS FOR RELEASABLY SUPPORTING THE OTHER END OF SAID REFLECTOR IN SAID HOUSING, SAID RESILIENT SPRING LATCH MEANS AND SAID LAMP HOLDING MEANS SUPPORTING SAID REFLECTOR IN SPACED RELATION FROM SAID HOUSING, SAID SPRING LATCH MEANS ALSO RESILIENTLY BIASING SAID REFLECTOR TOWARD LIMITED MOVEMENT OUTWARDLY OF SAID HOUSING, A PERIPHERAL FLANGE AROUND SAID BOTTOM OPENING OF SAID REFLECTOR, A CLOSURE ASSEMBLY HINGEDLY MOUNTED ON SAID HOUSING, RELEASABLE LATCH MEANS FOR SECURING SAID CLOSURE MEMBER TO SAID HOUSING IN A CLOSED POSITION, AND A REFRACTOR HAVING A PERIPHERAL FLANGE MOUNTED IN SAID CLOSURE ASSEMBLY WITH SAID REFRACTOR FLANGE ENGAGING SAID REFLECTOR FLANGE WHEN SAID CLOSURE ASSEMBLY IS IN ITS CLOSED POSITION, SAID ENGAGEMENT MOVING SAID REFLECTOR INWARDLY OF SAID HOUSING AND AGAINST THE BIASING FORCE OF SAID SPRING LATCH MEANS SO THAT SAID FLANGES ARE URGED INTO SEALING ENGAGEMENT AND MISALIGNMENT BETWEEN SAID REFRACTOR AND SAID REFLECTOR IS CORRECTED.