| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a pool bottom surface structure for improving functionality and a leisure characteristic in response to a use purpose up to child use from swimming race use, by changing display, a pattern and a picture pattern of a pool bottom surface, by taking into consideration removal and cleaning of foreign matter of the pool bottom surface.SOLUTION: A sheet body 5 is provided so as to cover the whole bottom surface of a bottom wall 3 of a pool 1, and a moving mechanism composed of a roller 6, a winder 7 and a rotary machine 8 is provided in a position of reaching the deck underfloor side 4 from a pool sidewall 2, and the sheet body 5 is moved along the pool bottom surface, and is covered with a new sheet surface, and the foreign matter interposed on an upper surface of the sheet body 5 is removed thereby, and is formed so as to change a display, a pattern and a picture pattern 9 formed on the upper surface of the sheet body 5.</p> |
