Filter holder for an espresso-type coffee machine

A - Human Necessities – 47 – J

Patent

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Details

A47J 31/06 (2006.01)

Patent

CA 2244155

A filter holder including a scoop (1) provided with a handle (2) and designed to hold a filter (3) that consists of a housing (4) and a perforated bottom wall (5) and is movably mounted in the space defined by the housing (4) by means of a height adjustment device (6). Said device (6) includes a stack consisting of at least one ring (8) adjacent to the bottom wall (5) and an opposed ring (9) coaxial with said ring. The respective side surfaces (10-11) of said rings include an alternated series of staggered angled (12) and horizontal (13B-13H) surfaces, and an alternated series of staggered opposed angled (14) and opposed horizontal (15B-15H) surfaces, as well as an actuating member (16) movably mounted on the cup (1) for causing relative movement of the ring (8) and the opposite ring (9).

Porte-filtre comprenant une coupelle (1) munie d'une poignée (2) et adaptée à recevoir un filtre (3) formé d'une cage (4) et d'un fond (5) perforé et monté mobile dans l'espace délimité par la cage (4) au moyen d'un dispositif de réglage en hauteur (6). Selon l'invention, le dispositif (6) comprend, un empilage d'au moins une couronne (8) montée adjacente au fond (5) et une contre-couronne (9) coaxiale à ladite couronne qui comportent respectivement sur leur face latérale (10-11) une succession alternée de rampes (12) et plages étagées (13B-13H) et de contre-rampes (14) et contre-plages étagées (15B-15H), ainsi qu'un organe d'actionnement (16) monté mobile sur la coupelle (1) et adapté à engendrer un déplacement relatif entre la couronne (8) et la contre- couronne (9).

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