{
  "$type": "site.standard.document",
  "description": "A spring seat is formed of an outer spring seat 10k and an inner spring seat 10j formed in a stepped-down shape so as to be positioned lower than the outer spring seat 10k, and a valve spring is formed of an outer spring 37 and an inner spring 36 that is disposed coaxially inside the outer spring…",
  "path": "/patents/1079377",
  "publishedAt": "2005-03-16T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F01L1/047",
    "YAMAHA MOTOR CO LTD [JP]"
  ],
  "textContent": "A spring seat is formed of an outer spring seat 10k and an inner spring seat 10j formed in a stepped-down shape so as to be positioned lower than the outer spring seat 10k, and a valve spring is formed of an outer spring 37 and an inner spring 36 that is disposed coaxially inside the outer spring 37 and that is larger in spring length than the outer spring 37.",
  "title": "VALVE SPRING SUPPORTING STRUCTURE OF ENGINE"
}