(under subclass 99) Subject matter wherein the electromagnetic operating means includes a plurality of magnetic flux sources.
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8+, for automatic circuit interrupters of the multipole or polyphase type.
92, for vibratory type switches with plural magnets.
136, for multiple contact type switches with plural magnet or coil means.
149, for electrodynamic type switch operators utilizing plural relatively movable coils. 177+, for electromagnetically operated switches generally employing plural magnets.
207, for permanent magnet actuated switches utilizing plural permanent magnets.
222, for relatively movable coil and permanent magnet.
223+, for plural relatively movable coil devices (e.g., dynamometer type).
230+, for permanent magnet polarized electromagnet and armature.
246, for alternating current type electromagnetic motive devices with plural windings.