| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an opening protective box for a road illuminating steel pipe column, attachable just by opening machine screw holes newly on both sides of an opening for ballast attachment without utilizing corroded existing machine screw fixing holes of existing lid and steel pipe column. <P>SOLUTION: The opening protective box for the road illuminating steel pipe column includes: a box body 2 which is fixed to a steel pipe column (a) with a machine screw and covers the opening of the steel pipe column (a); and a lid 1 which is fixed to the box body 2 with a machine screw and covers the front surface of the box body 2. In the box body 2, an upper surface and a rear surface are opened, a draining flange 5 is provided around the upper surface, a box body opening is provided on a front surface, and a notched part 8 to be fitted to the outer peripheral surface of the steel pipe column (a) is formed on a lower surface. <P>COPYRIGHT: (C)2012,JPO&INPIT |
