{
  "$type": "site.standard.document",
  "description": "A rigid ladder which comprises at top ends hook shaped members (10) for being hung to a top edge of a vertical surface is provided with a locking system comprising a restraining block (20) which can be firmly connected to the vertical wall for housing said hook shaped member (10) and a locking cam…",
  "path": "/patents/1013074",
  "publishedAt": "2011-05-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "A47C19/207",
    "ST LA SRL [IT]"
  ],
  "textContent": "A rigid ladder which comprises at top ends hook shaped members (10) for being hung to a top edge of a vertical surface is provided with a locking system comprising a restraining block (20) which can be firmly connected to the vertical wall for housing said hook shaped member (10) and a locking cam (30) which secures the hook member (10) in its housing. The locking system is very simple and it allows the very safe use of the ladder.",
  "title": "Locking system for fixed ladder, in particular for camping vehicles"
}