Patent ID: 6116147
Filing Date: 2000-09-12
Classification: A47J

Abstract:
A coffee machine, comprising:a means for heating water having a housing;an essentially hollow brewing cylinder means having a central longitudinal axis and an open end;means for moving said brewing cylinder means along said central longitudinal axis;a closure piston means adapted to close said open end of said brewing cylinder means to thereby form a brewing chamber, said closure piston means being rigidly connected to the coffee machine;a brewing piston means located in the interior of said brewing cylinder means, said brewing piston means being movable along said ventral longitudinal axis to compress coffee powder received in said brewing cylinder means as well as for removing the used coffee powder cake; anda brewing module means having a longitudinal axis, releasably inserted into the coffee machine, and including at least said brewing cylinder means and said brewing piston means;said means for moving said brewing cylinder means along said central longitudinal axis is a spindle drive means.