FIELD: radio electronic industry; transporting devices. SUBSTANCE: proposed device has rotary working disk with system of guides and system of actuating electromagnets. It has also stationary disk installed over rotary disk. Shape of stationary disk is not specified and it can be nonround as well, and it is provided with stiffening ribs with system of electromagnets mounted above and system of guides below the stationary disk. EFFECT: simple design, improved convenience in operation. 25 cl, 70 dwg
