Patent ID: 7290497

Claim:
A device for pneumatically milking a cow, comprising a number of milk extractors, each comprising a teat cup as well as a milk line connected to the lower end of the teat cup, said milk line leading from the teat cup to a collection chamber for discharging the milk from the teat cups, the device being provided with a supply for a cleansing medium to the teat cup for each milk extractor, in particular to a teat present in the teat cup, the supply comprising a supply line having an end portion with discharge end, and each milk extractor being provided with a closing body for closing off the passage of the milk extractor at or downstream of the discharge end of the line for cleansing medium when the cleansing medium has been discharged through the outlet and into the milk extractor, the closing body is movably mounted in a chamber debouching into the milk extractor and movable between a position leaving the passage of the milk extractor open and a position closing it off, the closing body being provided with a squirt line forming the end portion with the discharge end for the line ensuring the supply of cleansing medium and being positioned to debouch into the milk extractor and the closing body having a fluid connection between the space in the milk extractor upstream of the closing body and the chamber when in the closing position.