Patent ID: 7617763

Claim:
A brewing head of a coffee machine, comprising: (a) a rotate-to-lock assembly, which comprises a handle having two ends, wherein each end of said handle is movably-joined to one end of a rotate plate, rotate rod, and top frame by a fixed pin; wherein a portion of a back connection plate is fixedly-attached to the side of said top frame and the other portion of said back connection plate is movably-joined to a support base; wherein one end of a front connection plate is movably-joined to the other end of said rotate plate, and the other end of said front connection plate is movably-joined to said support base; and wherein a motor is connected to the rotate rod and handle, and wherein a remote control printed control board is connected to the motor; (b) a filter holder assembly, which comprises a filter, filter handle, filter holder, and coffee chamber; wherein the filter contains a flange; and (c) a sealing assembly, which comprises a seal ring, inserted between a water connection plate and a water spreader; wherein a water outlet valve, water outlet spring, said seal ring, and said water spreader are fixedly attached to the water connection plate by a water outlet valve holder; wherein the water connection plate is fixedly attached to the top frame; wherein the water connection plate contains an opening for connecting the water connection plate to a hose for delivering heated and/or pressurized fluid from a boiler, in the closed position, the handle is rotated downward to move the front connection plate to a vertical position; wherein the seal ring forms an air- and water-tight seal with the flange of the filter; wherein the rotate-to-lock assembly, the filter holder assembly, and the sealing assembly are operatively-linked to sustain pressures up to twenty bars.