{
  "abstract": "A zoned vacuum gripping tool comprising one tool-change interface, two suction cups, one ejector, one manifold, two zone branches, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. After the workpiece has reached the set-down position, the vacuum circuit is vented by the vent valve. 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",
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    "industrial-motion-power-transmission/fluid-power/valves-and-manifolds",
    "robotics-automation/end-effectors/tool-changers"
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    "words": 1060
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  "keywords": [
    "zoned vacuum tool",
    "tool-change interface",
    "suction cup",
    "ejector",
    "manifold",
    "zone branch",
    "contact detector",
    "vent valve",
    "compressed air supply",
    "contact sensing"
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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-2026-000010573",
  "published_at": "2026-09-17T08:11:52.445886Z",
  "publisher": "Nebula Innovations Limited",
  "record_type": "disclosure",
  "schema": "opentechnical-publication-manifest/1.0",
  "supersedes": "OT-2026-000006315",
  "title": "Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, vented after set-down, on a tool changer",
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