TEAT CUP Russian patent published in 2002 - IPC

FIELD: agriculture, in particular, machine milking equipment. SUBSTANCE: teat cup has sleeve, teat tube located inside sleeve, sucker, which is positioned to embrace teat tube and provided with hole. Sucker is made from two flexible truncated cones connected one to another with their larger bases. Air admission openings in sucker are made in the form of slits, which are closed in the initial position of teat cup and arranged along perimeter of cone larger bases junction zone of sucker. Upper and lower cone surfaces are provided with rigidity ribs radially extending above air admission openings. During milking, teat cup moves onto teat to result in deformation of sucker upper cone and opening of sucker hole. Atmospheric air admitted into sucker causes vacuum reduction and, accordingly, reversal of teat cup without interrupting communication between teat and udder. As a result, cow stripping by machine is eliminated. EFFECT: increased efficiency and enhanced reliability in operation. 2 dwg