Patent ID: 6595108
Filing Date: 2003-07-22
Classification: A47J

Abstract:
An extraction chamber adapted to be supplied with a pre-measured quantity of ground coffee by vertical introduction, the extraction chamber comprising:a first portion and a second portion, said portions being movable in a horizontal plane so as to be able to approach and recede from one another to close or open the extraction chamber; said first movable portion including an inlet for hot water and a vertical screen; said second movable portion including a vertical filter and an outlet for brewed coffee; said portions being mounted for vertical oscillation toward and away from each other; said portions being connected to each other to oscillate in reverse directions so as a) to open the extraction chamber upwardly by forming a V to receive the pre-measured quantity, b) to approach each other to close the extraction chamber during an extraction phase, and finally c) to open the extraction chamber downwardly to form an inverted V, and permit evacuation by gravity of the pre-measured quantity.