{
  "$type": "site.standard.document",
  "description": "A rail unit includes an upper plate segment extending in a width direction, a lower plate segment extending in the width direction and at a position in a downward direction from the upper plate segment, and an intermediate plate segment extending in a vertical direction and joining an edge of the…",
  "path": "/patents/1334868",
  "publishedAt": "2023-01-05T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B61B13/12",
    "Daifuku Co., Ltd."
  ],
  "textContent": "A rail unit includes an upper plate segment extending in a width direction, a lower plate segment extending in the width direction and at a position in a downward direction from the upper plate segment, and an intermediate plate segment extending in a vertical direction and joining an edge of the upper plate segment in a first width direction and an edge of the lower plate segment in a first width direction. A power feeder is located in a space defined by the upper plate segment, the intermediate plate segment, and the lower plate segment in the rail unit. The upper plate segment includes a traveling surface facing in an upward direction. The lower plate segment includes a lower flat portion extending in a traveling path direction and the width direction, and a groove protruding in the downward direction from the lower flat portion and extending continuously in the traveling path direction.",
  "title": "Traveling Rail and Article Transport Facility"
}