Baths – closets – sinks – and spittoons – Pool type – Accessory
Patent
1991-09-12
1993-11-09
Fetsuga, Robert M.
Baths, closets, sinks, and spittoons
Pool type
Accessory
4498, E04H 410
Patent
active
052590780
ABSTRACT:
A swimming pool cover for covering the entire area of a water-filled pool so as to prevent egress of silt and debris into the pool during periods of non-use comprises a water-impervious sheet material configured to extend across the entire area of the pool. A securing strap is attached at spaced-apart positions near edges of the sheet material for securing the sheet material in a taut condition to pool outer portions. An anchor is disposed in the pool outer portions for anchoring the securing strap in a manner to provide the taut condition of the sheet material. A resilient attachment, such as a spring, attaches the securing strap to the anchor so as to ensure the maintenance of the taut condition. At least one aperture is disposed in the sheet material at a lowermost portion thereof. A filter is attached along and near peripheral edges of the aperture and the filter has pore sizes sufficient to be impervious to silt and debris but pervious to water. Thus, silt and debris are prevented by the filter from entering the pool. Water from snow or rain may enter the pool through the filter so as to keep the impervious sheet material from being weighted down and sinking under the surface of water.
REFERENCES:
patent: 2958872 (1960-11-01), Meyer, Jr.
patent: 3184764 (1965-05-01), West
patent: 4011607 (1977-03-01), Davidoff
patent: 4192025 (1980-03-01), Hinsperger
patent: 4233695 (1980-11-01), Rowney
patent: 4628549 (1986-12-01), Lazar
patent: 4916763 (1990-04-01), Christensen
patent: 5014369 (1991-05-01), Daus
patent: 5025513 (1991-06-01), Weissner
Cantar Corporation
Fetsuga Robert M.
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