Combined milk line releaser and washer assembly

Claim 1

A COMBINED MILK LINE RELEASER AND WASHER ASSEMBLY COMPRISING A MILK LINE, A MILK RECEIVING CHAMBER HAVING A MILK INLET CONNECTED TO ONE END PORTION OF SAID MILK LINE AND RECEIVING THEREFROM AND HAVING A VACUUM INLET AND A MILK OUTLET, A SOURCE OF VACUUM CONNECTED WITH SAID VACUUM INLET, MEANS INTERPOSED BETWEEN SAID SOURCE OF VACUUM AND SAID VACUUM INLET MAINTAINING THE VACUUM WITHIN SAID CHAMBER AT A LOWER VALUE THAN AT SAID SOURCE OF VACUUM, A PRESSURE SENSITIVE VALVE ELEMENT EXTENDING ACROSS SAID OUTLET AND OPENING AND CLOSING THE SAME, A MILK DELIVERING CHAMBER CONNECTED TO SAID OUTLET IN MILK-RECEIVING RELATION AND HAVING A MILK DISCHARGE OUTLET AND HAVING A VACUUM INLET CONNECTED TO SAID SOURCE OF VACUUM, A PRESSURE SENSITIVE VALVE EXTENDING ACROSS SAID MILK DISCHARGE OUTLET AND OPENING AND CLOSING THE SAME, A SINGLE CONTROL MECHANISM CONNECTED WITH SAID SOURCE OF VACUUM AND THE VACUUM INLET OF SAID MILK DELIVERING CHAMBER FOR CAUSING SAID VACUUM TO BE APPLIED TO THE INTERIOR OF SAID MILK DELIVERY CHAMBER AND HAVING FREE AIR PASSAGES WHICH ARE CONNECTED WITH SAID INTERIOR ALTERNATELY RELATIVE TO SAID SOURCE OF VACUUM AT SPACED INTERVALS, AND MEANS FOR CONNECTING SAID MILK LINE ADJACENT ITS OPPOSITE END WITH A SOURCE OF CLEANING FLUID AS DESIRED, SAID FREE AIR PASSAGES OF SAID MECHANISM BEING ALSO CONNECTED WITH SAID MILK LINE ADJACENT ITS SAID OPPOSITE END FOR INTERMITTENTLY INTRODUCING AIR INTO THE FLOW OF SAID CLEANING FLUID THROUGH SAID MILK LINE WHEN SAID MILK LINE IS SO CONNECTED WITH SAID SOURCE OF CLEANING FLUID.