TEAT CUP Russian patent published in 2010 - IPC A01J5/08 

FIELD: agriculture.

SUBSTANCE: invention is related to agricultural machine building and is intended to use in machine milking of farm animals. The teat cup contains a case with an alternating vacuum pipe, teat cup liner with alternate thickness walls and valve box which is fastened in the lower part of teat cup liner. Switching valve which is fastened in the chamber of the valve box is placed on the rod with buttons on it's ends, which is connected to the confluent jet of the chamber of the valve box on the one side and through spacing among valve rod and box case with atmosphere, membrane which fastened on the rod and box case on the other side. The square of the membrane which separates chamber of the box airtightly from the atmosphere is less than square of the valve.

EFFECT: invention allows to automatically switch off the vacuum in mammillar tube when separating milking glass from cow's nipple, preventing garbage falling in the mil tube and providing ease of maintenance of milking glass.

3 cl, 1 dwg