Baths – closets – sinks – and spittoons – Flush closet – Bowl
Patent
1978-11-17
1981-01-27
Levy, Stuart S.
Baths, closets, sinks, and spittoons
Flush closet
Bowl
4236, 4440, 4441, 16173, 49388, E03D 1108, E03D 1110, A47K 1312, E05D 710
Patent
active
042466660
ABSTRACT:
A flush toilet which includes a concave bowl with a bottom drain port and a closure such as a pan or plate to close the drain port. When a pan is used, it can hold a quantity of water to form a gas seal. When a plate is used, a mechanical seal is employed. The closure is pivotable away from the drain port to permit the bowl to drain. Flushing means is provided which includes a nozzle directing a stream of flushing water tangentially into the bowl, air purging means to purge air from said water stream before a substantial amount of it discharges into the bowl, and a unique combined ball valve and vacuum breaker in the water supply system. The toilet also can include linkage which toggle-locks the closure in its closed position, a break-way lid, and when a mechanical seal is used, a gas-sealing overflow.
REFERENCES:
patent: 270980 (1883-01-01), Pike
patent: 525659 (1894-09-01), King
patent: 1629401 (1927-05-01), McCall
patent: 2204704 (1940-06-01), Schumacher
patent: 2693602 (1954-11-01), Meath
patent: 2763871 (1956-09-01), Rutherford
patent: 2816294 (1957-12-01), Duner
patent: 3798681 (1974-03-01), Johansen
patent: 3883903 (1975-05-01), Vanden Broek et al.
patent: 3939500 (1976-02-01), Miller et al.
Levy Stuart S.
Mon Donald D.
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