Light fixture with drop hinged diffuser

Claim 1

A LIGHTING FIXTURE COMPRISING A LAMP HOUSING HAVING A FIRST PAIR OF OPPOSED WALLS TERMINATING RESPECTIVELY IN A PAIR OF OPPOSED INWARDLY DIRECTED BOTTOM FLANGE PORTIONS, SAID HOUSING HAVING A SECOND PAIR OF OPPOSED WALLS TERMINATING RESPECTIVELY IN A PAIR OF OPPOSED FLANGELESS BOTTOM EDGE PORTIONS, SAID PAIR OF BOTTOM FLANGE PORTIONS AND SAID PAIR OF BOTTOM EDGE PORTIONS DEFINING A BOTTOM OPENING IN SAID HOUSING, A LIGHT-TRANSMITTING DIFFUSER MEMBER LOCATED NORMALLY IN A CLOSED POSITION SUBSTANTIALLY IN SAID BOTTOM OPENING IN SAID HOUSING, SAID DIFFUSER MEMBER HAVING A FIRST PAIR OF OPPOSED BOTTOM EDGE PORTIONS, SAID DIFFUSER MEMBER HAVING A SECOND PAIR OF OPPOSED BOTTOM EDGE PORTIONS NORMALLY RESTING RESPECTIVELY ON SAID FLANGE PORTIONS OF SAID FIRST PAIR OF OPPOSED WALLS OF SAID HOUSING, SAID SECOND PAIR OF OPPOSED WALLS OF SAID HOUSING RESPECTIVELY CARRYING A PAIR OF COAXIAL PIVOT PIN MEANS WHICH EXTEND FROM SAID SECOND PAIR OF OPPOSED WALLS TOWARD EACH OTHER FOR PIVOTALLY SUPPORTING SAID DIFFUSER MEMBER IN ITS OPEN POSITION, SAID DIFFUSER MEMBER HAVING RESPECTIVELY ADJACENT ITS SAID FIRST PAIR OF OPPOSED BOTTOM EDGE PORTIONS AND IN THE VICINITY OF ONE OF ITS PAIR OF SECOND OPPOSED EDGE PORTIONS A PAIR OF LIGHT-TRANSMITTING HOOK MEANS WHICH RESPECTIVELY RECEIVE SAID PIVOT PIN MEANS, AFTER SAID DIFFUSER MEMBER HAS FIRST BEEN RAISED AND MOVED FROM SAID CLOSED POSITION, TO SUPPORT SAID DIFFUSER MEMBER FOR SWINGING MOVEMENT ABOUT THE COMMON PIVOT AXIS OF SAID PIN MEANS TO ITS OPEN POSITION HANGING FROM SAID PIN MEANS TO GIVE ACCESS TO THE INTERIOR OF SAID HOUSING.