{
  "$type": "site.standard.document",
  "description": "The suspension unit (1) is mounted between the wheels (2) and bodywork (3) using a vertical sliding wheel connection (7). It consists of a helical spring (4) and reversible electric jack (5) which are connected in parallel. The jack uses a rack and pinion mechanism (50,51,52) and exerts forces…",
  "path": "/patents/1105189",
  "publishedAt": "2002-04-17T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60G17/0157",
    "CONCEPTION & DEV MICHELIN SA [CH]"
  ],
  "textContent": "The suspension unit (1) is mounted between the wheels (2) and bodywork (3) using a vertical sliding wheel connection (7). It consists of a helical spring (4) and reversible electric jack (5) which are connected in parallel. The jack uses a rack and pinion mechanism (50,51,52) and exerts forces which attenuate the separation speed between wheels and body and also correct the attitude of the suspended body.",
  "title": "Suspension system with a level control device"
}