{
  "$type": "site.standard.document",
  "description": "The vehicle seat (1) has a seat portion (5) with a backrest portion (6) fitted with vertical main spring (40) including spiral spring elements (41,42). A seat frame device (10) has a fixedly arranged frame portion (12), by which vehicle chassis is fastened, and a suspension frame portion (13) by…",
  "path": "/patents/984133",
  "publishedAt": "2013-09-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60N2/503",
    "GRAMMER AG [DE]"
  ],
  "textContent": "The vehicle seat (1) has a seat portion (5) with a backrest portion (6) fitted with vertical main spring (40) including spiral spring elements (41,42). A seat frame device (10) has a fixedly arranged frame portion (12), by which vehicle chassis is fastened, and a suspension frame portion (13) by which the seat portion and the backrest portion are suspended. The seat frame device includes a tubular structure (11), with which pipe elements (21,22) of seat frame device are partially arranged within the spiral spring elements of vertical main spring.",
  "title": "Vehicle seat and commercial motor vehicle with a vehicle seat"
}