{
  "abstract": "A clamping device includes a seat mechanism, an operating unit, and a clamping mechanism. The clamping mechanism includes a movable seat connected to the operating unit and clamping units. The clamping units are connected to the seat mechanism and the movable seat. Each clamping unit has a clamping portion. The operating unit is operable for driving the clamping mechanism to move relative to the seat mechanism between a release position and a clamping position. During movement of the clamping mechanism from the release position to the clamping position, the movable seat is moved relative to the seat mechanism, thereby driving the clamping portions of the plurality of clamping units to move toward each other to clamp a disc-shaped object.",
  "assignees": [
    "PASCO PREC CORP"
  ],
  "authors": [
    "LIN CHIH-CHING"
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  "source_date": "2026-04-02",
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  "title": "Clamping device",
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