Patents Assigned to Witzig & Frank Maschinenbaugesellschaft mbH
  • Automatic transfer machine tool with circular supply movement
    Patent number: 4473930
    Abstract: In an automatic transfer machine tool with circular supply movement for workpieces to be sequentially worked on in respectively separate working stations (I-V), a stepwise indexable workpiece holder (10) is journalled on a center post (8), the workpiece holder (10) having clamping devices (11) arranged thereon for the workpieces.
    Type: Grant
    Filed: May 4, 1982
    Date of Patent: October 2, 1984
    Assignee: Witzig & Frank Maschinenbaugesellschaft mbH
    Inventors: Heinz Bezner, Manfred Bratz, Sven Frank, Wolfgang Grau, Hans-Jorg Semsky, Heinz Walter, Armin Witzig, Rudolf Blochmann