Patent ID: 8074560

Claim:
A device for the extraction of a substance to make beverages by infusion, comprising: an infusion chamber consisting of a fixed part ( 1 ) and a moving part ( 2 ) that co-act to open and close the infusion chamber, a lever ( 20 ) rotatably mounted relative to an axle A and capable of driving the moving part ( 2 ) rotatably relative to an axle (B) through an action of a sliding pivot linkage between the lever ( 20 ) and the moving part ( 2 ), wherein the axle (B) of moving part ( 2 ) is situated on an element ( 9 ) translationally assembled relative to the fixed part ( 1 ) in order to bring together or move apart the moving part ( 2 ) from the fixed part ( 1 ), and wherein the element ( 9 ) translationally assembled comprises a longitudinal part ( 22 ) oriented according to a direction of the translation and a transversal part on which is located the axle (B) of the moving part ( 2 ).