Mixer tap
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United States of America Patent
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Feb 6, 2007
Grant Date -
Jun 2, 2005
app pub date -
Jul 25, 2003
filing date -
Aug 21, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mixing valve has a housing having hot- and cold-water inlets and at least one hot-, cold-, or mixed-water outlet. Respective hot- and cold-water valves in the housing each have a valve stem rotatable to control flow through the respective valve and carrying a respective externally toothed gear. Respective hot- and cold-water control rings rotatably mounted about a common axis on the housing each have internal teeth in continuous mesh in all angular positions of the valves and rings with the gears of the respective valves.
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