To stably mount a straight-tube lamp 3 on a lighting fixture 1 wherein the straight-tube lamp 3 with a length of 2m or more such as 110W and Hf86W and lamp tubes 7 for covering the same 3 are loaded.
The lighting fixture 1 has the plurality of cylindrical lamp tubes 7 covering the straight-tube lamps 3 and arranged in series, a connection packing 8 having lamp tube end positioning ribs 8c having an elastic cylindrical shape and setting an insertion position of the lamp tube 7 on both sides at an outer diameter side, inner ribs 8d arranged inside and supporting the straight-tube lamp 3 by coming in contact with the straight-tube lamp 3, and linking and fixing the lamp tubes 7, and a lamp holder receiving section 8b arranged between the lamp tube end positioning ribs 8c, and a lamp holder 6 arranged at a location corresponding to the lamp holder receiving section 8b and integrally holding the lamp tubes 7 and the straight-tube lamps 3 by sandwiching from an outer diameter side of the connection packing 8. The straight-tube lamps 3 are stably mounted on the lighting fixture 1 while the lamp tubes 7 are covered on the straight-tube lamps 3.
MITSUBISHI ELEC LIGHTING CORP
Tadahiko Inaba
Kanako Murakami
Nakatsuru Kazutaka
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