Grinder, grinding disk for a grinder, and coffee machine having a grinder of this type
AssigneeMelitta Professional Coffee Solutions GmbH & Co. KG
InventorsArmin Hensel, Bernd Buchholz
Life of this patent
Estimating the term…
Abstract
A grinder for grinding coffee beans has a first grinding disk carrier having a first grinding disk; a second grinding disk carrier having a second grinding disk; and a drive unit, by means of which at least one of the two grinding disks is rotatably operated. At least the grinding disk of the two grinding disks that is rotatably operated by means of the drive unit is directly or indirectly coupled to the drive unit by means of a central interlocking connection, the central interlocking connection being in the form of a continuous shaft-hub connection for direct torque transfer from the drive unit directly or indirectly to the grinding disk.
Claims14
A grinder (1) for grinding coffee beans (5), wherein the grinder (1) comprises a first grinding disk carrier (M1) having a first grinding disk (2), a second grinding disk carrier (M2) having a second grinding disk (3) and a drive unit (4), by means of which at least one of the two grinding disks (2, 3) is rotatably operated, wherein at least the second grinding disk (3) of the two grinding disks (2, 3) is rotatably operated by the drive unit (4) and is coupled to the drive unit (4) directly or indirectly via a central interlocking connection, wherein this central interlocking connection is designed as a continuous shaft-hub connection of a direct torque transmission from the drive unit (4) directly or indirectly to the grinding disk (2, 3),
- and wherein the first grinding disk (2) has a centric inner contour (29′) that is in positive engagement with a centric contour projection (33) of a carrier (24′) of the first grinding disk carrier (M1).
Dependencies are inferred from the claim text.