{
  "$type": "site.standard.document",
  "description": "The apparatus (10) has a support device and a mast (20). The mast is movably mounted on carriage (30) to which a rotary drive (32) for rotatably driving a drilling tool (36) is arranged. A measuring device (40) is provided for determining the position of a measuring point defined in the mast head…",
  "path": "/patents/970314",
  "publishedAt": "2014-09-10T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "E21B15/00",
    "BAUER SPEZIALTIEFBAU [DE]"
  ],
  "textContent": "The apparatus (10) has a support device and a mast (20). The mast is movably mounted on carriage (30) to which a rotary drive (32) for rotatably driving a drilling tool (36) is arranged. A measuring device (40) is provided for determining the position of a measuring point defined in the mast head (26). A measuring device (50) is provided to determine a positional deviation in the horizontal direction between the position of measuring point at mast head and the carriage arranged in the drill drive. An independent claim is included for a method for determining the position of the drill drive.",
  "title": "Construction device and method for determining the position of a drill drive"
}