Baths – closets – sinks – and spittoons – Drain – overflow or trap for a sink or bath – Drain and overflow
Patent
1999-03-04
2000-11-21
Phillips, Charles E.
Baths, closets, sinks, and spittoons
Drain, overflow or trap for a sink or bath
Drain and overflow
E03C 1232
Patent
active
061484547
ABSTRACT:
A control for a waste water drain in the bottom of a bathtub which has an overflow port above the drain in the end wall of the bathtub has a vertical drain pipe having upper and lower ends. A first fluid port is located at the upper end of the vertical drain pipe and a second fluid port is located below the first fluid port for connection to a bathtub waste water drain. A valve element is slidably mounted in the vertical drain pipe adjacent the second port and is movable between a lower position to close the second port to fluid flow, and an upper position which will open the second fluid port to fluid flow. An electrical solenoid is mounted adjacent the first port. An elongated linkage connects the valve element to the plunger of the solenoid so that the movement of the plunger in one direction will raise the valve element to the upper position, and movement of the plunger in the opposite direction will lower the valve element to the lower position. The vertical drain pipe is length-adjustable.
REFERENCES:
patent: 2180790 (1939-11-01), Brummett
patent: 4042984 (1977-08-01), Butler
patent: 4352213 (1982-10-01), Watts
patent: 4910807 (1990-03-01), Willis
patent: 4945579 (1990-08-01), Husting
Phillips Charles E.
WCM Industries, Inc.
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