| 摘要 |
<p>The invention concerns a semirigid grille (1), allowing water to pass abundantly through its numerous openings provided with a netting (5) having filet openings (6) capable of being moved apart, said grille (1) being set at the bottom of swimming pools, water expanses, paddling pools or fountains and moored (2) to slide rails (3) provided with a non-return system (4) locking the device in a high position and ensuring its stability. The invention also includes a flexible grille (1) which becomes semirigid in its inflated version as swimming pool and free water expanse and a semirigid grille (1) in its mechanical version, rising to the surface using means suited to the medium wherein which it has to operate; its solidity and robustness enables lifeguards to provide first aid on the device itself and bathers to jump about, play, balance on the crossbeams.</p> |
