| 摘要 |
PROBLEM TO BE SOLVED: To simply fix a flexible board in a single operation by fitting a head part of a projecting part into an opening by utilizing the flexibility of the flexible wiring board. SOLUTION: On the surface of a housing 3, a projecting part 8 is formed with a plate-like shaft part 9 and a head part 10 swelling widthwise from the tip of the shaft part 9. On the other hand, in a flexible wiring board 2, an opening 12 is formed at a part corresponding to the projecting part 8. Because the flexible wiring board 2 has flexibility because of its structure wherein copper foil coating is formed on a flexible material, the opening 12 is engaged with the projecting part 8 in a single operation only by pressing the opening 12 against the projecting part 8. Because the side edge of the flexible wiring board 2 is supported by the side wall of the housing 3 in the fixed state, the load applied in the widthwise direction of the flexible wiring board 2 is received by the sidewall, and the load applied in the lengthwise direction is received by a socket of a bulb, so that the projecting part 8 can be protected.
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