{
  "$type": "site.standard.document",
  "description": "A wing door opening/closing apparatus including a link mechanism and a spring for swinging up a wing door 1. This wing door opening/closing apparatus is made up by plural wing door opening/closing devices A and B. The disparity of the moments generated by one wing door opening/closing device A in…",
  "path": "/patents/1091690",
  "publishedAt": "2003-11-26T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60J5/0498",
    "SEIKO GIKEN KK [JP]"
  ],
  "textContent": "A wing door opening/closing apparatus including a link mechanism and a spring for swinging up a wing door 1. This wing door opening/closing apparatus is made up by plural wing door opening/closing devices A and B. The disparity of the moments generated by one wing door opening/closing device A in the plural wing door opening/closing devices A and B is compensated by a moment generated by the other wing door opening/closing device B.",
  "title": "WING OPENING/CLOSING DEVICE FOR TRUCKS OR THE LIKE"
}