{
  "$type": "site.standard.document",
  "description": "A seat apparatus comprises: a seat back provided with a seat back frame; a head rest frame supported to the seat back frame via a tilting shaft so as to be freely tilted in forward and rearward directions; a head rest supported to an upper side of the tilting shaft in the head rest frame; a gas…",
  "path": "/patents/1099369",
  "publishedAt": "2003-01-02T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60N2/853",
    "NHK SPRING CO LTD [JP]"
  ],
  "textContent": "A seat apparatus comprises: a seat back provided with a seat back frame; a head rest frame supported to the seat back frame via a tilting shaft so as to be freely tilted in forward and rearward directions; a head rest supported to an upper side of the tilting shaft in the head rest frame; a gas actuator mounted to the seat back frame, operated due to a momentary gas generation and tilting the head rest frame in a direction in which the head rest is tilted forward at a time of the operation; and an acceleration sensor for detecting an acceleration of the automobile in the forward and rearward directions. The gas actuator is operated when the acceleration sensor detects a predetermined or greater acceleration.",
  "title": "Headrest for an automobile seat"
}