{
  "$type": "site.standard.document",
  "description": "A large-stroke electric headrest structure for a car seat, comprising: two guide rods (1) that are disposed in a same direction; a headrest body (2) externally connected with a slider (21), the slider (21) being provided with two through holes for the guide rods and a threaded through-hole all of…",
  "path": "/patents/1392973",
  "publishedAt": "2026-04-15T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60N2/02253",
    "YANFENG INTERNATIONAL AUTOMOTIVE TECH CO LTD [CN]"
  ],
  "textContent": "A large-stroke electric headrest structure for a car seat, comprising: two guide rods (1) that are disposed in a same direction; a headrest body (2) externally connected with a slider (21), the slider (21) being provided with two through holes for the guide rods and a threaded through-hole all of which are disposed vertically, and the two guide rods (1) being disposed slidably in the two through holes, respectively; a supporting plate (3) connected to the two guide rods (1) and provided with a vertical through hole (d) aligned with the threaded through-hole; and a driving motor (4) mounted in a tiltable manner on a side of the supporting plate (3) away from the slider (21), wherein an elastic energy-absorbing plate (41) is padded between the driving motor (4) and the supporting plate (3), the driving motor (4) is connected in a transmission manner with a lead screw (42) movably inserted in the vertical through hole (d), an end of the lead screw (42) away from the driving motor (4) is screwed in the threaded through-hole, and a gap is reserved between the vertical through hole (d) and the lead screw (42).",
  "title": "ELECTRIC HEADREST STRUCTURE OF AUTOMOBILE SEAT HAVING LARGE RANGE"
}