Electronically actuated apparatus

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device

Reexamination Certificate

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Details

C335S249000, C335S261000, C335S265000, C335S279000, C324S207220, C324S207200, C324S207260, C324S226000

Reexamination Certificate

active

07876186

ABSTRACT:
An electromagnetic actuator having an annular pole piece and an annular armature with surfaces formed thereon through which a magnetic flux passes. The armature is axially movable relative to the pole piece between a first position and a second position. Magnetic flux is efficiently transmitted between the pole piece and the armature and the pole piece can be employed to guide the armature for movement thereon.

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