Baths – closets – sinks – and spittoons – Pool type – Accessory
Patent
1996-03-05
1997-10-07
Walczak, David J.
Baths, closets, sinks, and spittoons
Pool type
Accessory
4500, 4503, E04H 400
Patent
active
056734425
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
This invention relates to a protection device for swimming pools and similar types of pools, which are provided with a surrounding pool edge, the protection device comprising a pool cover which can be pulled or folded out for covering the pool and be pulled, retracted or folded in for uncovering the pool.
Nowadays there are requirements that swimming pools shall be protected when not used. The reason for that is that children shall be prevented from falling into the pool and from drowning. An essential advantage with a pool cover is partly that the vaporisation from the pool is reduced, partly that the wasteage of additives is prevented. Furthermore, the number of swimming pools has strongly increased lately. These facts taken together have had the consequence that the demand for pool cover has strongly risen.
From U.S. Pat. No. 3,008,148 is previously known a pool cover for protection of swimming pools having a circular design. The pool cover is intended to be folded out and folded in. However, the device has a very complicated construction. Thus, the pool cover shall be kept in place in the pool by means of a cylinder functioning as a ballast device and being intended to be placed on the bottom of the pool in its centre part. From this cylinder goes up an essentially vertical pipe which in its upper end is connected with the pool cover and keeps the same in place. When the pool shall be used, the cylinder-like lump and the pool cover have accordingly to be lifted away from the pool which is a very complicated measure. Due to that fact, the known pool cover has not had a great importance.
SUMMARY OF THE INVENTION
This invention intends to remove the problems with the known technique and to provide a pool cover which is very simple to fasten to the pool when the pool is not used and to take away from the pool when the pool shall be used. This has been made possible by a pool protection of the kind mentioned by way of introduction which is characterized by the combination of the following features: elongated carrier provided with two end portions, and a second, opposite end portion which is connected to a second, elongated carrier, provided with two end portions. positioned outside the pool edge. one end portion of the first carrier about an essentially vertical, first shaft so that the pool cover from a retracted position where the two carders are close to each other can be brought to cover the pool by pivoting out the second carrier in relation to the first one. directed in the longitudinal direction of the carrier and which has such an extension that a part of the means will always be in contact with the edge surrounding the pool.
BRIEF DESCRIPTION OF THE DRAWINGS
Further features of the invention will appear more closely below in connection with the description of two preferred embodiments of the pool protection according to the invention. In this connection reference is made to the accompanying drawings, wherein:
FIG. 1 shows a view from above of a first embodiment of the pool protection with the pool cover in an inactive position for an essentially round swimming pool, the pool edge surrounding the swimming pool comprising a pool border;
FIG. 2 shows a perspective view of the swimming pool with a pool protection, the pool cover being partly in an active position;
FIG. 3 shows a cross section of the pool protection, taken along the line III--III of FIG. 1;
FIG. 4 shows a view of the pool protection according to FIG. 1, seen in the direction of the arrows IV--IV;
FIG. 5 shows a plurality of devices for fastening the pool cover to the border of the swimming pool;
FIG. 6 shows a detailed illustration of a fastening device of the kind shown in FIG. 5; and
FIG. 7 shows a schematical illustration of a second embodiment of the pool cover.
Referring to FIGS. 1, 2 is shown there the pool cover 1 applied on an essentially round swimming pool 2. The pool cover 1 comprises two elongated carriers 3, 4, which, when the pool protection is in an inactive position, are arranged like a
REFERENCES:
patent: 3008148 (1961-11-01), Vierling
patent: 3832741 (1974-09-01), Ward
patent: 3895400 (1975-07-01), Kelcey
patent: 4163295 (1979-08-01), Schutz
patent: 4853985 (1989-08-01), Perry
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