Hydraulic cylinder for multilevel submersible safety deck or dec

Details Hydraulic cylinder for multilevel submersible safety deck or dec Hydraulic cylinder for multilevel submersible safety deck or dec

1978-02-27

1981-08-18

Murtagh, John E.

Baths, closets, sinks, and spittoons

Pool type

Accessory

4495, E04H 316

Patent

active

042838010

ABSTRACT:
Pools of all peripheral shapes of either above or below ground construction with single slope or flat bottoms when not in use may be equipped with a rigid structurally safe traversible completely dry surface deck or decks for domestic functions and to simultaneously insulate the surface of the water with which it is in contact but when pool is in use such a deck or decks are to be readily set at any depth in the pool until it or they become finally a false bottom by means of control by external low pressure hydraulic cylinders operated from the pool circulating system per medium of a single readily operable but safety positioned three-way valve.

REFERENCES:
patent: 3045253 (1962-07-01), Price
patent: 3046566 (1962-07-01), Berman
patent: 3086219 (1963-04-01), Stafford
patent: 3553743 (1971-01-01), Lodige
patent: 3668711 (1972-06-01), Liermann
patent: 3670343 (1972-06-01), Gansloser

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