DEVICE FOR RELATIVE MOVEMENT ACROSS SURFACE Russian patent published in 1998 - IPC

FIELD: linear step electric motors. SUBSTANCE: method is designed for movement across bodies each of which has magnetic characteristics and is equipped with carrying clamp which is connected to surface synchronously with application of magnetic field to bodies. Said method involves setting for each pair of adjacent bodies a level of their relative movement and application of magnetic fields of single or opposite polarity to each adjacent pair of group of bodies in order to achieve alternating connection of carrying contacts of bodies or groups of bodies to surface. Minimal distance of movement of bodies or groups of bodies is provided by connection between adjacent bodies or groups of bodies. Maximal distance of movement is provided by connection between extreme bodies or groups of bodies. Force is controlled by joining bodies into groups of bodies in group of magnetic field of opposite polarity. Maximal force is provided by rigid connection between bodies which are spaced by single body and by alternating connection with surface of each group which consists of rigidly connected bodies. EFFECT: increased power, increased regulated range of movement and pulling force. 5 cl, 5 dwg