Water fitting

Details Water fitting Water fitting

2002-04-22

2004-01-06

Bastianelli, John (Department: 3754)

Baths, closets, sinks, and spittoons

Wash receptacles

With proximity operated valve

C004S695000, C137S801000, C251S128000, C251S129040

Reexamination Certificate

active

06671898

ABSTRACT:

BACKGROUND OF THE INVENTION
A water fitting is disclosed in EP-A-688.909. This water fitting has an electrical control system. A pipe has connections for hot water and cold water. In the pipe there is an adjustable mixing valve. Downstream of said mixing valve is a solenoid valve, the output of which empties into an arm with a water discharge mouthpiece. Also installed in the pipe is a proximity detector which automatically turns on the solenoid valve when a hand approaches the fitting.
SUMMARY OF THE INVENTION
An object of the invention is to achieve a safe and reliable installation and removal of the housing for maintenance. This object is accomplished by providing a water fitting having a sensor that registers the presence of a securing element and, when the securing element is removed, switches a valve to its closed position and locks the valve in the closed position.


REFERENCES:
patent: 4735357 (1988-04-01), Gregory et al.
patent: 5092560 (1992-03-01), Chen
patent: 5169118 (1992-12-01), Whiteside
patent: 5586746 (1996-12-01), Humpert et al.
patent: 5618023 (1997-04-01), Eichholz et al.
patent: 5961095 (1999-10-01), Schrott
patent: 6082407 (2000-07-01), Paterson et al.
patent: 0 688 909 (1995-12-01), None

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