Patent ID: 6192786
Filing Date: 2001-02-27
Classification: A47J

Abstract:
An espresso brewing head unit comprising a potshaped coffee receptacle in which a displaceable filter plate with coffee discharge openings is provided, a lateral wall of the coffee receptacle and the filter plate defining a filling volume of the coffee receptacle, and elevating means arranged in the coffee receptacle below the filter plate for moving the filter plate relative to the lateral wall of the coffee receptacle for varying said filling volume, said elevating means comprising a projection on a bottom side of the filter plate and at least one movable cam element in contact with the projection, said projection sliding along said cam element in response to movement of said cam element to thereby move said filter plate to various operating positions, wherein the filter plate is arranged on a funnel-shaped filter carrier provided with a central discharge tube which passes through a central opening of the cam element.