| 摘要 |
PURPOSE: A mark post is provided, which is capable of managing partially by dividing the mark post into some portions and assembling and installing the divided portions. CONSTITUTION: A base(1) is fixed at a load surface, and a main body(2) is connected to the center of the base(1) so as to be attached and detached. A cylinder(3) is connected with the main body(2) through a steel wire(7) and has a spring(8). A post cap(4) is installed at a top of the cylinder(3) so as to be attached and detached. The base(1) is fixed by a pin(11), and a through hole is formed at the center of the base(1) so as for the main body(2) to be attached and detached. The main body(2) has a dome of the same curvature as a lower part of the cylinder(3).
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