{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "The invention relates to a headrest (1) comprising a fixed part (2) and a movable part (3) connected to each other by means of an adjustment device (4) comprising: a tubular chamber (5) integral with said movable part - or respectively with said fixed part -; a piston integral with said fixed part…",
  "path": "/patents/923040",
  "publishedAt": "2017-08-02T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60N2/812",
    "CERA TSC [FR]"
  ],
  "textContent": "The invention relates to a headrest (1) comprising a fixed part (2) and a movable part (3) connected to each other by means of an adjustment device (4) comprising: a tubular chamber (5) integral with said movable part - or respectively with said fixed part -; a piston integral with said fixed part - or respectively with said movable part -, said piston separating said chamber into two sub-chambers; a valve (9) arranged so as to allow communication between said sub-chambers to be cut off; an actuation means (10) of said valve in the opening direction; an incompressible fluid filling said chamber; so that said movable part can: be locked in relation to said fixed part when said valve is closed; be displaced in relation to said fixed part, by application of a force on said movable part, after actuation of said valve in the opening direction.",
  "title": "HEADREST FOR A MOTOR VEHICLE SEAT"
}