Patent ID: 7739946

Claim:
An apparatus for brewing coffee, in particular for a coffee machine, having a brewing chamber which is enclosed by a housing and has a base with an outflow provided on one side and a nozzle assembly provided on the opposite side, the nozzle assembly comprising a nozzle for supplying a fluid, wherein the base can be moved within the housing and, depending on the degree to which the brewing chamber is filled, can be fixed in different positions for the brewing operation, wherein the base is mounted in a displaceable manner on a holder and has a wedge-shaped protrusion on the side which is directed away from the brewing chamber, and wherein an all-round seal is arranged between the base and housing, the seal being retained in a brewing position with a contact pressure between the base and housing, it being possible for the outer wedge surface of this protrusion to be positioned against a sealing lip of the seal in order to produce the contact pressure.