Raisable swimming floor or side platform locking system - has bolting units moved with hoist elements, lockable at various levels
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Swimming pool with protective wall
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Lifting floors for swimming pools
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Covering swimming pool with stiff plastic floating sheet - pref. of polyethylene or polypropylene and contained on roller in water trough which has projections for accurate positioning
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Large swimming pool cover sheet mounting - comprises rails along two opposite sides with interfacing slits for sheet edges
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Swimming pool diving tower
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SWIMMING POOL SUITABLE FOR WAVE OPERATION
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Swimming pool with variable depth and slope - has raisable floor consisting of cantilevered concrete slab hinged to slotted intermediate slab
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SWIMMING POOLS WITH A SYSTEM FOR MECHANICAL GENERATION OF WAVES
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Hydraulic variable purpose swimming pool raisable floor - made in two parts, including connecting slab between base slab and main base
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Movable transverse swimming pool partition - comprises power-driven concrete wall led by guideways along part of pool
