{
  "$type": "site.standard.document",
  "description": "The present invention discloses an active extension type car front bumper. Three fixed sleeves are rigidly connected to a cross beam of a U-shaped fixed frame, an impact rod is fitted each fixed sleeve, a front end of each impact rod passes through the cross beam and is fixedly connected to the…",
  "path": "/patents/1326306",
  "publishedAt": "2022-09-08T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60R19/40",
    "Jiangsu University"
  ],
  "textContent": "The present invention discloses an active extension type car front bumper. Three fixed sleeves are rigidly connected to a cross beam of a U-shaped fixed frame, an impact rod is fitted each fixed sleeve, a front end of each impact rod passes through the cross beam and is fixedly connected to the bumper, and a rear end of each impact rod is fixedly connected to a movable cross beam arranged horizontally left and right. Left and right longitudinal beams of the U-shaped fixed frame are each provided with a movable longitudinal beam that is movable forward and backward. Left and right ends of the movable cross beam respectively extend into the left and right longitudinal beams. A rear end of each movable longitudinal beam is fixedly connected to a hydraulic mechanism. An energy absorption mechanism is provided between every two adjacent fixed sleeves.",
  "title": "ACTIVE EXTENSION TYPE CAR FRONT BUMPER"
}