| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide the fixing screw for wiring accessories which can easily break through a closed film so as to improve an efficiency of fixing work of the wiring accessories relating to a box for wiring. <P>SOLUTION: The inner surface side center of each short side wall of the box for wiring is formed with a wiring accessories fixing part 24 extended in an opening direction from the bottom wall with its end face appearing in an opening to have a cylindrical shape. A through hole 26 is formed from the end face center of this wiring accessories fixing part 24 toward its interior. A nut 28 is fixedly received in a receiving hole 27 in the wiring accessories fixing part 24, the center of this nut 28 is formed with an internal thread hole 28a serving as an internal thread part. A columnar break through part 36 is formed to be extended from a shaft part 34a in its axial direction of a screw 34 for mounting the wiring fitting. An external diameter of the break through part 36 is formed slightly smaller than a diameter of a circle formed by the vertex of a thread ridge of the internal thread hole 28a in the nut 28. <P>COPYRIGHT: (C)2004,JPO |
