ELECTROMAGNETIC OPERATION MECHANISM

摘要

PROBLEM TO BE SOLVED: To obtain an electromagnetic operation mechanism in which a shock absorption is realized with certainty by adequately controlling suction electromagnetic force given on a moving member by a short circuit coil. SOLUTION: This mechanism has a moving member 206 which is supported by suction to a closed pole york 203 in accordance with an excitation of a closed coil 207 and is supported by suction to an open pole york 204 after the support of the above closed pole is released in accordance with an excitation of an open coil 208, and a short circuit coil 10 which controls a magnetic flux of the closed pole coil 207 or the open coil 208 is fixed on at least either the closed coil 207 or the open coil 208 and also a switch 11 is provided which can nullify a magnetic flux control operation of the short circuit coil 10. COPYRIGHT: (C)2007,JPO&INPIT