Retractable bidet

Claim 1

A sanitary device for association with a toilet seat of the type having a central opening and an upper portion adapted to be contacted by a portion of the body of a user, said sanitary device comprising a fluid pressure source; a hot water tank connected with said fluid pressure source; a heater within said tank for heating water therein to a predetermined temperature; and a cleansing mechanism comprising a cylinder disposed within said tank so as to be heated by heated water in said tank, said cylinder being outwardly open, a piston section mounted in said cylinder for sliding movement between inward and outward positions therein, a passage-defining section extending from said piston section and defining a passage, at least a substantial portion of said passage disposed within said cylinder when said piston section is in its inward position, for being heated by said heated cylinder, a nozzle section at an outer end of said passage-defining section and communicating with said passage for spraying heated water into an area to be cleansed, and means communicating said piston section with pressurized water in said tank for sliding said piston section outwardly to extend said passage-defining section outwardly of said cylinder with minimal cooling of water occurring during travel of said water through said heated passage-defining section.