{
  "abstract": "Magnetic coupling devices are disclosed which may be configured in at least three states. The various states may be provided through one or more of altering a position of a permanent magnet relative to another permanent magnet and altering a current level in a coil surrounding a permanent magnet.",
  "assignees": [
    "MAGSWITCH AUTOMATION COMPANY"
  ],
  "authors": [
    "KARP PAUL J",
    "KIZILKAN CENGIZ",
    "MORTON DAVID H"
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  "source_date": "2026-02-18",
  "source_id": "EP-4653355-A3",
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  "supersedes": null,
  "title": "Variable field magnetic couplers and methods for engaging a ferromagnetic workpiece",
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