MILKING UNIT Russian patent published in 1998 - IPC

FIELD: animal farming, in particular, automatic milking equipment. SUBSTANCE: milking unit has teat deformer 7 made in the form of two truncated cones 8 mounted on shaft 9 with their apexes faced one toward another. Shaft 9 of deformer 7 is mounted in vertical slots 10 of frame 11 which couples deformer 7 with flexible membrane 12 adapted for moving deformer 7 in horizontal plane. Central part of membrane 12 is coupled through stem 13 along hinge 14 with piston 15 of pneumatic cylinder 16 adapted for reciprocating deformer 7 in vertical slot 10. Interwall cavity 6 and cavity 5 below teat of teat cups are communicated one with another. Control cavity 26 of milk claw 2 is communicated with permanent vacuum source, while variable vacuum cavity 17 of pneumatic cylinder 18 and cavity 19 of pneumatic cylinder 16 of teat cup 1 are communicated with two-chamber two-half-cycle milk claw 22. When one chamber is communicated with vacuumizer, other chamber is communicated with atmosphere and vice versa. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 4 cl, 2 dwg