Kitchen machine comprising means for discharging impurities

1. A kitchen machine comprising a housing that includes a housing base;

a channel molded in a periphery of the housing and running in a direction of the housing base;

a housing recess connected to the channel; and

a coupling arranged in the housing recess to couple working apparatuses to the kitchen machine, wherein the housing recess includes means to discharge impurities; and

a screen detachably latched to the housing to cover the channel.

2. The kitchen machine of claim 1 , wherein the screen is flush with a bordering peripheral area of the housing.

3. The kitchen machine of claim 1 , wherein the housing recess has a molding that protrudes upwards in the manner of a flange; wherein the coupling projects vertically upwards from the housing recess; and wherein the coupling is surrounded by the molding.

4. The kitchen machine of claim 1 , further comprising a first coupling and a second coupling arranged at a predetermined distance from the first coupling, the first coupling to attach a mixing container to the kitchen machine and the second coupling to attach tools to the kitchen machine.

5. The kitchen machine of claim 4 , wherein the housing recess is assigned to the second coupling.

6. A kitchen machine comprising a housing that includes a housing base;

a channel molded in a periphery of the housing and running in a direction of the housing base;

a housing recess connected to the channel; and

a coupling arranged in the housing recess to couple working apparatuses to the kitchen machine, wherein the housing recess includes means to discharge impurities, wherein the housing recess has a lowest point; wherein the housing recess has zones of different depths; and wherein the channel opens out of the lowest point of the housing recess,

wherein the channel has a first channel section that is inclined downwards from the housing recess and directed radially outwards and a second channel section arranged next to the first channel section and directed vertically downwards, and wherein the second channel section has a uniform cross-section across the length of the second channel.

7. The kitchen machine of claim 6 , wherein the lowest point is arranged in a predetermined region of an outer periphery of the housing recess.

8. The kitchen machine of claim 6 , wherein the second channel section has an opening; wherein the housing base has a recess; and wherein the opening of the second channel section is arranged laterally to the recess of the housing base.