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Pub. No.:    WO/2017/150647    International Application No.:    PCT/JP2017/008216
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Fri Mar 03 00:59:59 CET 2017
IPC: F21V 21/03
F16B 1/00
F21S 8/04
F21V 17/10
F21V 21/00
F21Y 115/10
Applicants: KOWA COMPANY, LTD.
Inventors: TAKIMOTO Shigeru
瀧本 滋
According to the present invention, one set of two illumination device fixing members (1) is arranged in the vicinity of an opening W in an indoor ceiling surface C in order for a plurality of anchor bolts B that are provided to extend vertically downward from a building skeleton to be used to install an illumination device (100) on the indoor ceiling surface C. The illumination device fixing members (1) comprise: a flat base part (2) that has provided therein an anchor bolt installation hole (5) through which one anchor bolt B from among the plurality of anchor bolts B is to be inserted; and two contact parts (3a), (3b) that are provided to both side parts of the base part (2). A left-right pair of V spring installation holes (4a), (4b) into which V springs (40) that are provided to the illumination device (100) are to be hooked are symmetrically provided along both side parts of the base part (2). When an anchor bolt B has been inserted through the anchor bolt installation hole (5) and the illumination device fixing member (1) has been fixed to the anchor bolt B, the two contact parts (3a), (3b) respectively contact two corresponding end edge parts of the opening W.