Device for grinding coffee or other alimentary substances

A - Human Necessities – 47 – J

Patent

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Details

A47J 42/18 (2006.01) A47J 42/38 (2006.01)

Patent

CA 2687207

A device for the grinding of coffee, for instance in (semi)automatic machines for the preparation and the dispensing of drinks, comprising a housing (11), inside which are positioned at least two milling heads (19, 25) of which at least one (19) is revolving, means (2) of driving said at least one revolving milling head (19), an inlet (32) for feeding the coffee between the milling heads (19, 25) and an exit (35) for the ground coffee. Advantageously, the housing (11) and the milling heads (19, 25) internal to it are coupled to the means of driving (2) through an insert-and-lock joint (12, 13, 18, 218, 20, 120) that allows their rapid removal and reassembly without the aid of tools. Preferably the device includes means of regulating the relative distance between the milling heads and at least one sensor (S) for the measurement of such distance and/or a sensor (S1) of the speed of rotation of the drive shaft.

L'invention concerne un dispositif pour moudre du café, utilisé par exemple dans des machines (semi)automatiques pour la préparation et la distribution de boissons. Le dispositif comporte un corps (11) à l'intérieur duquel sont positionnés au moins deux têtes de broyage (19, 25) dont au moins une (19) tourne; des moyens (2) d'entraînement de la ou des têtes de broyage tournantes (19); une entrée (32) pour envoyer le café entre les têtes de broyage (19, 25) et une sortie (35) pour le café moulu. De façon avantageuse, le corps (11) et les têtes de broyage (19, 25) qui se trouvent dans le corps sont couplés aux moyens d'entraînement (2) par un assemblage à insertion et verrouillage (12, 13, 18, 218, 20, 120) qui permet leur retrait et leur réassemblage rapides ne requérant pas d'outil. De préférence, le dispositif inclut des moyens de régulation de la distance relative entre les têtes de broyage et au moins un détecteur (S) pour mesurer une telle distance et/ou un détecteur (S1) de la vitesse de rotation de l'arbre d'entraînement.

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