Mattingly, Stanger, Malur & Brundidge, P.C.
Electromagnet and actuating mechanism for switch device, using thereof
An electromagnet a coil, a movable iron core adapted to move on the center axis of the coil, and a stationary iron core provided so as to cover the upper and lower surfaces and the outer peripheral surface of the coil. A permanent magnet is arranged in a gap surrounded by the movable iron core and the stationary core.
Hitachi Engineering & Services, Co., Ltd. Hitachi, Ltd.
H H H H H
H01F H01H H01F H01H H01F
inventional inventional inventional additional additional
Tooru Ayumu Yozo Yasuaki Masato Takashi
Tanimizu Morita Shibata Suzuki Yabu Kadowaki