| 摘要 |
<p>PURPOSE:To make it possible to mount in common in at least two kinds of sleeves, large one and small one, by providing a projection near at least one boundary formed by the upper face and the lower face of a base part and the left side face and the right side face. CONSTITUTION:This fluorescent lamp is equipped with a fluorescent tube 1, which is so bent that both tube ends 2, 3 may be aligned, and a base part 9 nearly in the shape of square pillar, which builds in both tube ends 2, 3 and projects a light emitting part 8 for the fluorescent tube 1 on the front side and is installed, from the front side of the base part 9, into a cylindrical sleeve 30, 40 which has a floodlighting part 33, 43 at the front and an opening 34, 44 at the back. For base part 9, a projection 16 is provided near at least one boundary among four boundaries which are formed by upper face 9e and lower face 9f, and left side face 9c and right side face 9d. Hereby, it can be installed in common in at least two kinds of sleeves, large one and small one.</p> |
