| 摘要 |
PROBLEM TO BE SOLVED: To provide a lighting system capable of using a relatively large lamp cover, and having an attractive appearance. SOLUTION: A rectangular inner frame 9 is detachably fitted to the opening part of a plate frame 1 formed round. A light block, wherein a lamp Sa and the lighting circuit of it and the like are housed, is detachably fitted to the inner frame 9. A circular lamp cover 50 is mounted on the front surface of the light block fitted to the inner frame 9 and the plate frame 1. Locking pieces 51 and 52; irregularly engaging with the engaging part 39 of the light block, and with the engaging part 14 of the inner frame 9 respectively; are protrudedly mounted on the back surface of the lamp cover 50. That is, since the lamp cover 50 is mounted on not only the light block but also the inner frame 9, a relatively large lamp cover can be used to have attractive appearance. |
