| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a covering plate which can be easily laid, removed, and re-laid, and can easily cope with a shape of the end side of a platform. <P>SOLUTION: The covering plate 50 is installed in a plural number at laying a platform fence to cover a construction place, and formed in a rectangular shape having a predetermined length and width. When a foundation plate 53 having a plurality of bolts inserted from the plate surface and having steps different in height is covered, the length of a bolt hitting and pushing the uppermost surface of the foundation plate 53 is used as a standard, and the height of each of a plurality of the bolts is adjusted to a step lower than the height of the uppermost surface of the foundation plate 53 using a bolt whose length is longer than the standard length and whose tip end is screw joined. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
