{
  "$type": "site.standard.document",
  "description": "The current take-off device (10) has a wiper (16) contacting an overhead current wire supported by lower and upper lever arms (12,14), acted on by a drive (26) for raising and lowering the wiper. The drive uses a hose element (28) supplied with a pressure medium for altering its length and coupled…",
  "path": "/patents/1111245",
  "publishedAt": "2001-08-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60L5/32",
    "SCHUNK BAHNTECHNIK GMBH [AT]"
  ],
  "textContent": "The current take-off device (10) has a wiper (16) contacting an overhead current wire supported by lower and upper lever arms (12,14), acted on by a drive (26) for raising and lowering the wiper. The drive uses a hose element (28) supplied with a pressure medium for altering its length and coupled to the lower lever arm via a coupling element (30), for converting the length variation into a vertical movement of the wiper.",
  "title": "Current collector"
}