Patents Assigned to ABF BOHRTECHNIK GMBH & CO. KG
  • Receptacle for tubular drilling tools having different diameters
    Patent number: 9903166
    Abstract: The invention relates to a tool holder on a drill transmission for tubular drilling tools having at least two different diameters, wherein the holder is equipped with a hollow-cylindrical recess and with at least one radially oriented locking bolt which is installed in the wall of the hollow-cylindrical recess and which engages in a corresponding opening in the drilling tool, wherein there is at least one further hollow-cylindrical recess which is complementary to one of the different drilling tools.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: February 27, 2018
    Assignee: ABF BOHRTECHNIK GMBH & CO. KG
    Inventor: Rainer Miesen