{
  "abstract": "A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one plant vacuum connection, three zone branches and one blow-off valve. When the foam pad reaches the workpiece, the foam pad is evacuated by the plant vacuum connection. Before the workpiece reaches the set-down position, the workpiece is blown off by the blow-off valve while the workpiece is above the receiving surface. The arrangement is a proposed configuration composed from a typed library of mechanism blocks derived from published patents; it has not been constructed.",
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    "robotics-automation/end-effectors/vacuum-grippers",
    "industrial-motion-power-transmission/fluid-power/valves-and-manifolds",
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    "industrial-components-safety-infrastructure/plant-utilities/vacuum-supply"
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  "keywords": [
    "zoned vacuum tool",
    "tool-change interface",
    "foam pad",
    "plant vacuum connection",
    "zone branch",
    "blow-off valve",
    "blow off release",
    "compressed air supply",
    "drop release",
    "plant vacuum supply"
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  "language": "en",
  "license": {
    "name": "Creative Commons Attribution 4.0 International",
    "url": "https://creativecommons.org/licenses/by/4.0/"
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  "publication_id": "OT-2026-000012343",
  "published_at": "2026-09-17T08:13:08.998406Z",
  "publisher": "Nebula Innovations Limited",
  "record_type": "disclosure",
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  "supersedes": null,
  "title": "Foam pad vacuum gripper, three zone face, plant vacuum fed, pulsed blow-off before set-down, on a tool changer",
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