Single-handle mixing faucet

Claim 1

A single-handle mixing valve for mixing hot and cold water sources and providing an output thereof, comprising: a housing having a valve cartridge receiving bore, first and second inlet bores communicating respectively with said hot and cold water sources, and a discharge passage; handle means; and a cylindrical valve cartridge inserted into said receiving bore, said cartridge having a longitudinal axis and comprising: a bushing having a valve chamber and first, second and third passages respectively communicating with said first and second inlet bores and said discharge passage; a first valve plate fixably mounted within said valve chamber and having a first surface parallel to said longitudinal axis, and having first, second and third apertures communicating with said first, second and third passages, respectively; a valve support plate connected to said handle means and extending into said valve chamber; a second valve plate carried by said support plate and having a second surface parallel to said longitudinal axis and adapted to slidably engage said first surface, said second surface having a mixing recess; and slidable pivot means for translating a displacement of said handle means in a first direction to a pivotal displacement of said support plate and for translating a displacement of said handle means in a second direction to a corresponding displacement of said valve support plate parallel to said longitudinal axis.