APPARATUS FOR PNEUMATIC MASSAGING OF HEIFER UDDER Russian patent published in 1999 - IPC

FIELD: animal farming. SUBSTANCE: apparatus has bell-shaped massaging device and spring-loaded deformer, variable vacuum creating branch pipe, throttle and gaging opening. All mentioned parts of apparatus are positioned within bell-shaped device. Transverse partition wall divides bell-shaped device into two cavities communicated with variable vacuum source and adapted for independent embracing of front and rear parts of heifer udder. Throttle and gaging openings are formed as branch pipes whose effective section is adjusted by adjusting nuts. Such construction of apparatus facilitates uniform development of heifer udder parts. EFFECT: increased efficiency and enhanced reliability in operation. 2 cl, 1 dwg