Apparatus for protecting against expansion of freezing water

Details Apparatus for protecting against expansion of freezing water Apparatus for protecting against expansion of freezing water

1989-05-18

1992-01-28

Recla, Henry J.

Baths, closets, sinks, and spittoons

Pool type

Accessory

4496, 441136, E04H 319

Patent

active

050833260

ABSTRACT:
Disclosed is an apparatus for protecting a swimming pool against damage due to forces created as water in the pool freezes and expands. The apparatus includes a hull that floats on the surface of the water and compresses as the water freezes and expands. A pair of straps attach the hull to a pair of bean bags to keep the float in a selected position near the side of the pool. The hull has a pair of side members and a pair of end members, forming a watertight hull. The side members are connected together along a common edge to form a V-shaped cross section. A plurality of weights are located in a semicircular slot along the common edge to keep the common edge downward in the water.

REFERENCES:
patent: 917690 (1909-04-01), Weese
patent: 3050750 (1962-08-01), Harrison
patent: 3072922 (1963-01-01), Pyke
patent: 3802007 (1974-04-01), Dolan, Jr.
patent: 3923411 (1975-12-01), Berghman
patent: 3971075 (1976-07-01), Heinbaugh et al.
patent: 4285082 (1981-08-01), Cox
patent: 4290249 (1981-09-01), Mass
patent: 4362427 (1982-12-01), Mass et al.

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