| 摘要 |
In an appliance of this type, the liquid couplings between the slender movably guided supply containers and the respective liquid lines leading to the metering device are to be designed in such a way that, on the one hand, they require, if possible, no manipulations to release them, but, on the other hand, if possible, no liquids can escape when they are released. This subject is achieved in that the liquid coupling 7 is arranged with its valve body 11 on the container 1 in the direction of guidance and the connection piece 14 of the liquid coupling is guided over a specific guide distance in this direction and is coupled to the valve body 11, and in that the connection piece has a pawl component 19 which, after the guide distance has been covered, can be detained by a blocking component 22 and releases the connection piece 14 from the valve body 11. <IMAGE>
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