{
  "abstract": "A bellows-cup vacuum gripping tool comprising one mounting flange, two bellows cups, one ejector, one manifold, one pressure sensor and one vent valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the vacuum circuit is vented by the vent 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",
    "sensors-controls-machine-vision/force-and-pressure-sensing/vacuum-sensors",
    "industrial-motion-power-transmission/fluid-power/valves-and-manifolds",
    "industrial-motion-power-transmission/fluid-power/vacuum-generation"
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  "keywords": [
    "bellows compliant vacuum tool",
    "mounting flange",
    "bellows cup",
    "ejector",
    "manifold",
    "pressure sensor",
    "vent valve",
    "compressed air supply",
    "drop release",
    "pressure 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-2026-000073262",
  "published_at": "2026-09-17T08:54:20.363042Z",
  "publisher": "Nebula Innovations Limited",
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  "supersedes": null,
  "title": "Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, vented before set-down",
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}