Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Reexamination Certificate
2006-07-11
2006-07-11
Donovan, Lincoln (Department: 2832)
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
C335S229000
Reexamination Certificate
active
07075398
ABSTRACT:
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.
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Japanese Search Report/Office Action issued on Jun. 4, 2004.
Kadowaki Takashi
Morita Ayumu
Shibata Yozo
Suzuki Yasuaki
Tanimizu Tooru
Donovan Lincoln
Hitachi , Ltd.
Hitachi Engineering & Services Co. Ltd.
Mattingly ,Stanger ,Malur & Brundidge, P.C.
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