| 摘要 |
PROBLEM TO BE SOLVED: To provide an installation structure of a road indication body such that the road indication body having a male screw part screw-connected to a buried and fixed anchor nut is not easily detached in mischief and the road indication body can be easily detached when detached from an installation surface when to be replaced.SOLUTION: A pedestal 2 formed as a different body from a road indication body 1 is installed on an installation surface, the road indication body 1 is installed on the pedestal 2, and fixation means of fixing the pedestal 2 on the installation surface is provided. A releasable rotation stopper which restricts rotation of the road indication body for an anchor nut 3 is provided between the pedestal 2 and road indication body 1. The rotation stopper prevents a male screw part 16 of the road indication body 1 whose rotation is restricted and the anchor nut 3 from disengaging, and the road indication body 1 is disabled to be detached. By releasing the rotation stopper, the road indication body becomes able to rotate and can be easily detached from the installation surface. |
