| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lighting system in which the installation operation of a cover member is excellent and falling of the cover member can be prevented certainly in a simplified structure, while having a high reliability. <P>SOLUTION: The lighting system 1 is provided with a cover member 7 having translucency, an installation part 5 on which the cover member 7 is installed, an engagement projection 56 which is formed in the installation part 5 and on which a detent piece 73 climbs up by elastic deformation when the cover member 7 is moving operated in the installation direction to the installation part 5, and then, the detent piece 73 is engaged by turning operation in circumferential direction, and a support part 57a which is formed in the installation part 5 and moves the cover member 7 in installation direction to the installation part 5, and then, a fall preventing piece 74 is engaged by turning operation in circumferential direction. <P>COPYRIGHT: (C)2011,JPO&INPIT |
