Patent ID: 8181894
Filing Date: 2012-05-22
Classification: A47J

Abstract:
1. A device for grinding a substance for use in preparing a drink, comprising a housing, inside which are positioned at least two milling heads of which at least one is revolving, a means of driving said at least one revolving milling head, an inlet for feeding the substance for use in preparing a drink between the milling heads and an exit for the ground substance for use in preparing a drink, wherein said housing and the milling heads internal to it are coupled to said means of driving by an insert-and-lock joint that allows its rapid removal and reassembly without the aid of tools, and a control unit comparing a speed signal of a drive shaft with one or more reference values to detect possible differences of one or more parameters of operation of the device with respect to the respective reference values, said control unit, when necessary on the basis of said comparison, operates a means of regulation of the distance between the milling heads or modifies a duration of the activation of said drive shaft.