A coffee extracting apparatus for a coffee machine

Details A coffee extracting apparatus for a coffee machine A coffee extracting apparatus for a coffee machine

A - Human Necessities

47

J

A47J 31/40 (2006.01) A23F 5/24 (2006.01) A47J 31/24 (2006.01) A47J 31/44 (2006.01)

Patent

CA 2433201

A coffee extracting apparatus for a coffee machine, which allows easy extraction of coffee liquid and easy removal of coffee grinds, is disclosed. The coffee extracting apparatus includes a machine case, a hopper receiving coffee grinds, a cylinder unit disposed below the hopper and rotated within a certain angle range, a upper piston movably inserted in the cylinder unit and having a hot water path therein, a lower piston inserted in the cylinder unit to press coffee grinds against the upper piston and having coffee discharge paths therein, cam and link members to guide movement of the cylinder, the upper piston and the lower piston, and a drive unit mounted on the machine case to supply driving force to the cam members. The coffee extracting apparatus is easily removed from the coffee machine. A unit amount of coffee liquid is extracted every revolution of the drive unit. Since hot water to be mixed with coffee grinds is supplied to the lower piston from the upper piston, adhesion of coffee grinds on a bottom surface of the upper piston is avoided.

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