{
  "$type": "site.standard.document",
  "description": "A leadscrew assembly comprising: a screw shaft (1) along which is formed a first helical groove (10); a primary nut (2) along which is form a second helical groove (20); the first helical groove and the second helical groove cooperating to define a track (10,20); a secondary nut (5) along which is…",
  "path": "/patents/1401734",
  "publishedAt": "2024-06-26T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02K1/763",
    "GOODRICH ACTUATION SYSTEMS LTD [GB]"
  ],
  "textContent": "A leadscrew assembly comprising: a screw shaft (1) along which is formed a first helical groove (10); a primary nut (2) along which is form a second helical groove (20); the first helical groove and the second helical groove cooperating to define a track (10,20); a secondary nut (5) along which is formed a third helical groove (30); the first helical groove and the third helical groove cooperating to define a track (10, 30) with a nominal running clearance; a preload X is provided wherein when a load applied to the screw exceeds the predetermined preload, the secondary nut engages with the track such that load of the screw above preload X is transferred through the secondary nut and thus protecting the primary nut.",
  "title": "LEAD SCREW ASSEMBLY"
}