Patent ID: 8018129

Claim:
A fluorescent lamp to be fitted to a feeding side member, comprising: a fluorescent lamp main body; and an inverter-containing case arranged at a proximal end side of the fluorescent lamp main body; wherein the fluorescent lamp main body is formed to show a spiral profile; the inverter-containing case is provided with a terminal section to be fitted to the feeding side member, the terminal section adapted to be inserted into an opening of the feeding side member and displaced relative to the feeding side member so that the terminal section is retained on a peripheral around the opening; and an end section of a fluorescent lamp main body side of the inverter-containing case is formed as a projecting section projecting inside the fluorescent lamp main body and the projecting section of the inverter-containing case is surrounded by the fluorescent lamp main body showing a spiral profile in a manner that a volume for containing an inverter of the inverter-containing case is ensured.