Patent ID: 8191567

Claim:
A mixer cartridge, comprising: a sanitary fitting component ( 10 ) containing a cartridge housing, a mixer system arranged in the cartridge housing, a bottom closing off the cartridge housing in the direction of a receptacle for a sanitary fitting and having passages for water, and with at least one seal arranged between the mixer system and the cartridge bottom, wherein the cartridge bottom is formed on a bottom component which has a sleeve portion surrounding the cartridge housing; further comprising a sliding sleeve, permitting relative displacement in said direction between the cartridge housing and the bottom component, the sliding sleeve comprising a sleeve portion arranged outside of the cartridge housing, between the outer surface of the cartridge housing and the sleeve portion of the bottom component, the sliding sleeve having an outwardly directed flange; wherein a position of the cartridge housing in the receptacle of the sanitary fitting component is determined by a union nut threaded onto an external thread of the sanitary fitting component ( 10 ) and engaging by an inwardly directed flange with the outwardly directed flange of the sliding sleeve; and wherein a rib ( 33 ) is formed on an underside of the outwardly directed flange ( 15 ) of the sliding sleeve ( 14 ), the rib lying against an end edge of the sanitary fitting component ( 10 ), and wherein the sleeve portion ( 18 ) of the bottom component ( 16 ) is formed with a slot ( 34 ) corresponding to the rib ( 33 ); wherein the bottom component is held on the cartridge housing so as to be moveable to a limited extent in a direction toward and away from the cartridge housing.