{
  "$type": "site.standard.document",
  "description": "A jack assembly includes a telescoping body, a jackscrew adapted to extend and retract the telescoping body, and a drive train adapted to drive the jackscrew. The drive train includes (a) a first drive shaft adapted for connection to a handle, and (b) a second drive shaft adapted for connection to…",
  "path": "/patents/1378388",
  "publishedAt": "2026-02-05T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B66F3/10",
    "Dutton-Lainson Company"
  ],
  "textContent": "A jack assembly includes a telescoping body, a jackscrew adapted to extend and retract the telescoping body, and a drive train adapted to drive the jackscrew. The drive train includes (a) a first drive shaft adapted for connection to a handle, and (b) a second drive shaft adapted for connection to a power drill. The second drive shaft includes a torque limiter and a gear reduction section. The jack assembly is used in a related method of driving the jackscrew of a jack assembly.",
  "title": "Trailer Tongue Jack Assembly with Manual and Torque Limited Power Drill Driver"
}