Swimming pool apparatus

Details Swimming pool apparatus Swimming pool apparatus

1976-04-20

1978-06-06

Stephan, Steven L.

Baths, closets, sinks, and spittoons

Dry closets

With heating meas

1375905, E04H 320, E03B 1100

Patent

active

040927466

ABSTRACT:
The disclosure relates to a swimming pool drain chamber which is positioned over an outlet of a swimming pool. The chamber includes sealing means for effecting a liquid seal adjacent the outlet. An upper portion of the chamber extends above the normal water surface of the swimming pool. The water in a line connected to the outlet can be removed without lowering the water level in the entire pool to an elevation below the outlet. In a preferred embodiment, the chamber extends below the outlet to facilitate draining the line completely and also to keep small amounts of water entering the chamber out of this line.

REFERENCES:
patent: 2988755 (1961-06-01), Roland
patent: 3555829 (1971-01-01), Trewhella
patent: 3815160 (1974-06-01), Baker
patent: 3858597 (1975-01-01), Pramenko

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