A faucet includes a barrel received in the casing thereof and defining a water mixing chamber, a control switch received inside the barrel and moved by an operating lever to control hot/cold water flow rate, a socket fastened to the unitary bottom disk of the barrel to hold a hot water intake pipe, a...http://www.google.es/patents/US5349987?utm_source=gb-gplus-sharePatente US5349987 - Faucet with a movable extension nozzle
