Baths – closets – sinks – and spittoons – Flush closet – Tank only
Patent
1989-04-27
1990-10-30
Artis, Henry K.
Baths, closets, sinks, and spittoons
Flush closet
Tank only
4369, 4375, 4377, E03D 106
Patent
active
049658921
ABSTRACT:
A syphonic flush toilet having a conventional water tank having a drain outlet in its bottom wall. The tank has a lid having a plunger aperture therein. A syphon assembly formed of a floating top housing member and a stationary bottom housing member are located in the tank. The floating top housing member has a top wall having a downwardly extending annular outer side wall and the bottom housing member has a bottom wall having an upwardly extending annular outside wall. The annular outer side wall and the annular outside wall of the respective members are matingly telescopically connected to each other about a vertical axis. An air chamber is formed in the floating top housing member. A discharge pipe has its bottom end passing through the bottom wall of the bottom housing member and its lower end is secured in the drain outlet of the tank. The top end of the discharge pipe extends upwardly into the interior of the neck portion of the floating top housing member. The plunger assembly passes through the plunger aperture in the lid and it has its bottom end connected to the top of the neck portion of the floating top housing member. When the plunger assembly is pushed downwardly, water in the interior of the syphon assembly is pushed upwardly over the top edge of the discharge pipe to produce a syphon effect that causes the remaining water in the syphon assembly to be drawn downwardly through the discharge pipe. Inlet ports in the bottom wall of the bottom housing member have valves that open during the flushing operation to allow a new charge of water to be drawn upwardly through the inlet ports into the syphon assembly. The toilet bowl has a pair of half traps formed in its serpentine configured water discharge passage ways that aid in the syphonic flush operation of the toilet.
REFERENCES:
patent: 222885 (1879-12-01), Field
patent: 440197 (1890-11-01), Putnam
patent: 815661 (1906-03-01), Vissing, Jr.
patent: 1077329 (1913-11-01), Cabral
patent: 1137578 (1915-04-01), Coburn
patent: 1822060 (1931-09-01), Powell
patent: 2580898 (1952-01-01), Alzucyarray
patent: 3094706 (1963-06-01), Pihl et al.
patent: 3561013 (1971-02-01), Lopez
Artis Henry K.
Logan II Charles C.
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