Fluorescent luminaire

Claim 1

A GLOBE ASSEMBLY FOR A LUMINAIRE COMPRISING, IN COMBINATION, A LONGITUDINALLY RECESSED GLOBE MEMBER HAVING AN OPEN END AND A MARGINAL OUTWARDLY EXTENDING FLANGE PORTION SURROUNDING SAID OPEN END, SAID FLANGE BEING SUBJECT TO EXPANSION AND CONTRACTION IN ACCORDANCE WITH VARIATIONS IN TEMPERATURE, MEANS FOR SUPPORTING SAID GLOBE MEMBER HAVING A SUBSTANTIALLY DIFFERENT COEFFICIENT OF EXPANSION FROM SAID FLANGE SO THAT RESPONSIVE TO VARIATIONS IN TEMPERATURE RELATIVE MOVEMENT BETWEEN SAID FLANGE AND SAID SUPPORT MEANS WILL OCCUR AND INCLUDING INTERCONNECTED INNER AND OUTER SUPPORT MEMBERS, SAID OUTER MEMBER HAVING A PORTION DISPOSED BENEATH SAID FLANGE IN MECHANICAL SUPPORTING RELATION THEREWITH AND SAID INNER MEMBER HAVING A PORTION SPACED FROM SAID PORTION OF SAID OUTER MEMBER AND FORMING THEREWTIH A SUBSTANTIALLY CHANNEL-SHAPED CHAMBER, AND GENERALLY USHAPED RESILIENT SEALING AND CUSHIONING MEANS HAVING A BASE PORTION ENGAGING SAID SUPPORTING MEANS BETWEEN SAID INNER AND OUTER SUPPORT MEMBERS, A PAIR OF SPACED LEG PORTIONS DISPOSED BETWEEN THE OPPOSITE SIDES OF SAID FLANGE AND SAID INNER AND OUTER SUPPORT MEMBERS AND A WEB PORTION SPACED FROM SAID BASE PORTION AND EXTENDING BETWEEN SAID LEG PORTIONS, THE SPACE BETWEEN SAID WEB AND BASE PORTIONS ALLOWING SAID RESILIENT SEALING AND CUSHIONING MEANS TO ABSORB SAID MOVEMENT AND PREVENT CONTACT BETWEEN SAID FLANGE AND SAID SUPPORT MEANS WHILE PROVIDING A POSITIVE SEAL THEREBETWEEN OVER A WIDE RANGE OF TEMPERATURES.