| 摘要 |
<p>The present invention which features a filtering stairway for a swimming pool is characterized by a combination of the following arrangements: the body (1) of the stairway defines a closed and hollow volume obtained by rotational moulding to constitute a tank (1a) with steps (1b) on its front part; the tank (1a) communicates with the water in the pool; the tank (1a) has internal arrangements to allow the installation of a filtering system (3, 4) communicating with the water contained in the said tank (1a); the surface (1f) of the body (1) opposite to the one with the steps (1b) is provided with fixtures (1g, 1h) for the installation and the fixing of a box (2) obtained by rotational moulding and in which are fitted suction and discharge means (1) combined with the filtering system (3, 4). The body includes lateral means for fitting adjacent panels forming the swimming pool.</p> |
