TEAT CUP Russian patent published in 2002 - IPC

FIELD: agriculture. SUBSTANCE: teat cup has casing, teat liner composed of inner and outer pipes united at their upper ends by means of seal and pivotal petal of deforming member, which are located in space between teat liner pipes. This space is communicated with teat cup cavity positioned under teat. Teat compression restrictors are positioned between pivotally attached petals. Vacuum is permanently maintained in teat cup cavity under teat. When vacuum is created in space between walls, teat liner is relieved and teat reservoir is filled with milk. When atmospheric air or excessive pressure is supplied to mentioned space, teat liner is compressed. Pressure is transferred through petals of deforming member to teat and the latter is gradually compressed from its lower part to upper part to force out milk from teat. EFFECT: simplified construction, increased efficiency and enhanced reliability in operation. 2 cl, 3 dwg