Baths – closets – sinks – and spittoons – Tubs – Particular construction or configuration details
Patent
1975-05-19
1976-05-25
Artis, Henry K.
Baths, closets, sinks, and spittoons
Tubs
Particular construction or configuration details
4 53, 4 56, 4 65, 4 67R, 4 75, E03D 134
Patent
active
039582809
ABSTRACT:
An improved flushing valve for inter-connecting a water closet with a waste dispensing bowl for preventing overflow in the event of a line stoppage. The valve is opened in the ordinary manner and held open by the action of fluid flowing through the valve onto a floatable member having a positive buoyancy that maintains the valve in an open condition in the presence of fluid flow. In the absence of a fluid flow, the valve is allowed to close. In the presence of a line stoppage, overflow fluid will tend to back up causing the floatable member having a positive buoyancy to release the valve which is allowed to close thereby preventing discharge of any further fluid from the water closet. All attempts to operate the water valve will fail as long as the floatable member is held in a floatable condition by the overflow fluid.
REFERENCES:
patent: 1103550 (1914-07-01), Stevens
patent: 1956087 (1934-04-01), Tracy
patent: 2531475 (1950-11-01), Scerolen
patent: 2689352 (1954-09-01), Pegler
patent: 2904794 (1959-09-01), Goldtrap
patent: 2949614 (1960-08-01), Eddowes
patent: 2988751 (1961-06-01), Rutherford
patent: 3117323 (1964-01-01), Corsan
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