{
  "$type": "site.standard.document",
  "description": "A fuel filler device for a vehicle includes an adaptor (2) and a fuel tank cap (3). The adaptor (2) includes two engaging protrusions (22) projecting from an inner peripheral surface. Each engaging protrusion (22) has a retaining portion (223) projecting downwardly. The fuel tank cap (3) is…",
  "path": "/patents/1390114",
  "publishedAt": "2026-06-10T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60K15/0406",
    "COPLUS INC [TW]"
  ],
  "textContent": "A fuel filler device for a vehicle includes an adaptor (2) and a fuel tank cap (3). The adaptor (2) includes two engaging protrusions (22) projecting from an inner peripheral surface. Each engaging protrusion (22) has a retaining portion (223) projecting downwardly. The fuel tank cap (3) is removably mounted on the adaptor (2), and includes an insert portion (32) rotatably inserted into the adaptor (2), and two retained protrusions (33) projecting radially from an outer peripheral surface of the insert portion (32). Each retained protrusion (33) has a first retained slot (332) and a second retained slot (333) angularly spaced apart from each other. Either the first retained slot (332) or the second retained slot (333) is in longitudinal engagement with the retaining portion (223) to prevent undesired removal of the cap (3) from the adaptor (2) during driving of the vehicle.",
  "title": "FUEL TANK CAP AND FUEL FILLER DEVICE FOR A VEHICLE"
}