| 摘要 |
PURPOSE: A safety control plate for water level of a swimming pool is provided to facilitate the installation and removal by being assembled properly to the structure of a swimming pool. CONSTITUTION: A safety control plate for water level of a swimming pool comprises a top plate(20), a supporting plate(30), and ribs(40). The top plate has a plurality of projections on the upper surface. The supporting plate with a semi-circular groove(44) on the bottom is perpendicularly bent from one end of the top plate and installed on a surface. The ribs are formed over the lower surface of the top plate and the inner side of the supporting plate. The ribs have joint bolt holes(50) at regular intervals in which fastening members are connected.
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