{
  "abstract": "A document transport device includes an ejection tray on which documents ejected in a predetermined ejection direction are loaded and a stopper that prevents documents from falling from the ejection tray in the ejection direction. The stopper has a rotating shaft rotatably supported at the ejection tray in a direction intersecting the ejection direction, a contact piece provided at the rotating shaft to be hit by a tip of a document in the ejection direction, and a weight piece provided at the rotating shaft. The stopper is able to pivot to be in a standing posture in which the contact piece stands due to the weight of the weight piece and pivot to be in a tilting posture in which the stopper tilts in the ejection direction from the standing posture when a predetermined force is applied to the contact piece.",
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  "source_date": "2026-04-14",
  "source_id": "US-12600593-B2",
  "source_name": "the United States Patent and Trademark Office",
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  "supersedes": null,
  "title": "Document transport device including stopper for prevention of falling of document and image forming apparatus",
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