| 摘要 |
A design part 20 is attached to an aperture 12 provided in an interior material 11 of a automobile, and a functional part 30 is arranged at the rear side of the interior material 11 supported by the design part 20 . A switching unit 32 feeding and cutting an electric power to a light source 31 is configured as a separate body attached to a functional main body 30 a in such a manner that switch units 32 of different mechanisms can be selectively attached to the functional main body 30 a. Thus, since the functional main body 30 a is used in common even when the switching unit 32 is changed and has a general-purpose nature, cost reduction can be attained.
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