| 摘要 |
PROBLEM TO BE SOLVED: To facilitate construction even in the case of an installation work at height, to shorten construction time on site, to further raise safety in an exchange work of an EFFL lamp by completely eliminating electric shock, etc. and to block intrusion of dust to the inside. SOLUTION: In this lighting system for advertisement, a case main body 21 installed on the construction surface and a light unit 22 in which the EFFL lamp is preliminarily stored are separately formed. A projection 41 and a tie rod 42 are provided on the case main body 21, and an insertion hole 61 into which the projection 41 is inserted and an insertion hole 57 into which the tie rod 42 is inserted, are provided on the side of the light unit 22. The light unit 22 is attachably/detachably attached to the side of the case main body 21 by a cassette type. COPYRIGHT: (C)2007,JPO&INPIT
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