US PATENT SUBCLASS 335 / 262
.~.~.~.~ With centering or aligning or guiding means

Current as of: June, 1999
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335 /   HD   ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS

209  DF  MAGNETS AND ELECTROMAGNETS {10}
220  DF  .~ With magneto-mechanical motive device (e.g., electromagnet with armature) {21}
255  DF  .~.~ With plunger-type armature {6}
261  DF  .~.~.~ Armature structure or material {3}
262.~.~.~.~ With centering or aligning or guiding means

DEFINITION

Classification: 335/262

(under subclass 261) Subject matter including means to center or align the plunger type armature in the solenoid coil or means to guide the plunger during its movement relative to the coil when the coil is energized.