DEVICE FOR MASSAGE OF IN-CALF HEIFER UDDER Russian patent published in 1995 - IPC

FIELD: agriculture. SUBSTANCE: device has support platform 1, spring 13, variable vacuum chamber 11 open to pulser 3, push rod 6, and massaging member 7. The massaging member is a spherical head, and the push rod is linked with a mechanism adjusting its travel. The mechanism is membrane 9. The device for massage of in-calf heifer udder is provided with at least four adjustable inserts 8 mounted inside the massaging member for horizontal motion and fixation in the membrane position by means of retainers. The surface of each adjustable insert has a flexible coating. The rate of massaging is controllable by adjusting the massaging member travel and the surface area of the adjustable inserts. EFFECT: higher efficiency; convenience in use. 4 dwg