| 摘要 |
PROBLEM TO BE SOLVED: To reduce deformation of a housing due to torque applied thereto during attachment. SOLUTION: A bracket 15 receiving torque from a fixing nut when a claw 19 at the distal end is fitted in a ceiling frame in order to secure the housing 13 to the ceiling frame is fixed to the bottom plate 13a of the housing 13 for holding an electric circuit board. A flange 15d is provided at the rising portion 15b of the bracket 15 and a bracket recess 13b' is provided in the side board 13b of the housing 13 opposing the rising portion 15b so that deformation of the bracket 15 due to the fixing nut does not propagate to the side board 13b of the housing 13. COPYRIGHT: (C)2008,JPO&INPIT
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