Patent ID: 8247010

Claim:
A brew group comprising: (a) a brewing chamber having an upper surface and a cylindrical aperture with an open first end and an open second end; (b) a lower piston assembly sized and configured to slidably engage the brewing chamber open first end; (c) a first actuator attached to the lower piston assembly and operable to move the lower piston assembly longitudinally through the cylindrical aperture; (d) an upper piston assembly sized and configured to sealingly engage the brewing chamber open second end; (e) a second actuator attached to the upper piston assembly and operable to move the upper piston assembly between (i) a load position wherein the upper piston assembly is disposed above the brewing chamber and is pivoted away from the brewing chamber, and (ii) a brewing position wherein the upper piston assembly sealingly engages the brewing chamber; (f) means for pivoting the upper piston assembly away from the brewing chamber when the second piston assembly is moved to the load position; (g) a sliding arm assembly having a scraping arm slidably disposed on the upper surface of the brewing chamber; and (h) a third actuator operable to move the scraping arm across the upper surface of the brewing chamber over the open second end of the brewing chamber wherein the scraping arm is hingedly attached to the third actuator.