| 摘要 |
1,158,985. Swimming bath. P. MEEUSEN. 7 Oct., 1966 [7 Oct., 1965; 12 Aug., 1966], No. 45015/66. Heading A4N. [Also in Divisions B7, B8, E1, F1 and F2] An apparatus including a platform 1 which may be adapted to form an auxiliary base or floor of a swimming pool that can be raised to the level of the fixed surrounding surface at the top of the pool, comprises a plurality of racks 3 engaged by pinions 4 on the platform, the pinions being driven by hydraulic means 6 in the platform for placing the latter. |
