| 摘要 |
PROBLEM TO BE SOLVED: To hardly produce unpleasant shadow caused by a night light bulb by arranging it in the lower central part of a supporting plate, and embedding at least a part of a safety bulb socket in the recess of a male screw. SOLUTION: A direct ceiling mount fluorescent circle lamp fixture has a ceiling cap 51 detachably mounted on a ceiling 50 on ceiling surface. A supporting plate part 53 is horizontally arranged at the lower end of a male screw 52 hanging down from the ceiling cap 51. A fastening ring 59 is screwed with the male screw 52, and when unscrewed, it is supported with the supporting plate part 53. A potbelly shaped hole part 12 engaging with the male screw 52 and fastened with the fastening ring 59 is formed in almost the central part of a base 11. A bulb 60 which outputs of a few luminous flux when a circle fluorescent lamp is turned off is arranged in the lower cental part of the supporting plate part 53. At least a part of a bulb socket 62 to which the bulb 60 is detachably fit is embedded in the recess 52S in the male screw 52. |
