{
  "abstract": "Systems and methods are disclosed for counter balancing for improved robotic system efficiency. In one embodiment, an example container handling system may include a laterally movable frame moveable in a lateral direction, an upright frame supported by the laterally movable frame, and a header movably coupled to the upright frame and configured to move in a vertical direction, where the header includes an extractor, and a support assembly configured to open and close, where the support assembly is configured to receive an item from the extractor. The system may include a pulley assembly configured to drive vertical movement of the header, and a counter balance coupled to the pulley assembly, where the counter balance provides a force to counter gravitational force exerted on the header.",
  "assignees": [
    "AMAZON TECH INC"
  ],
  "authors": [
    "HOGAN SCOTT"
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  "published_at": "2026-09-15T19:16:05.958168Z",
  "publisher": "Nebula Innovations Limited",
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  "source_date": "2026-02-17",
  "source_id": "US-12552608-B1",
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  "supersedes": null,
  "title": "Counter balancing for improved robotic system efficiency",
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