Baths – closets – sinks – and spittoons – Flush closet – Urinals only
Patent
1986-08-25
1987-05-26
Marcus, Stephen
Baths, closets, sinks, and spittoons
Flush closet
Urinals only
4303, 4DIG3, E03D 1300
Patent
active
046673504
ABSTRACT:
This invention relates to a lavatory hopper flushing apparatus, particularly, a lavatory hopper flushing apparatus comprising a sensor unit capable of detecting the use of any one of a plurality of lavatory hoppers arranged side by side, and providing a detection signal upon the detection of the use of any one of the lavatory hoppers; a control unit capable of being actuated by the detection signal; and a water supply unit capable of being driven by the control unit so as to flush all the lavatory hoppers simultaneously; wherein the control unit capable of being actuated by the detection signal given by a sensor unit and driving a water supply unit includes a counter control unit which has a counting circuit that counts the frequency of the detection signal and which provides an output signal when the count of the detection signals reaches a predetermined number, and an output control unit which provides an output signal to actuate the water supply unit, upon the reception of the output signal given by the counter control unit, whereby all the lavatory hoppers of a group is simultaneously flushed with water when the total number of times of the use of the lavatory hoppers of the group reaches a predetermined number.
REFERENCES:
patent: 3575640 (1971-04-01), Ishikawa
patent: 3863196 (1975-01-01), Hilles
patent: 4134163 (1979-01-01), Matsunaga
patent: 4309781 (1982-01-01), Lissau
patent: 4471498 (1984-09-01), Robertshaw
Hamanaka Tatsumi
Hirahara Manabu
Ikenaga Takao
Shigematsu Toshifumi
Marcus Stephen
Peters L. J.
Toto Ltd.
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