Patents Assigned to Hermann Werner, a Kommanditgesellschaft
  • Machine for grinding of peripheral surfaces on work pieces
    Patent number: 4015370
    Abstract: A machine for grinding of peripheral surfaces on workpieces, particularly, screw driver blades, comprising at least one grinding disc or abrasive belt contact disc, respectively, arranged on a rotating carrier which is driven in a predetermined transmission ratio synchronously to the likewise rotating workpiece such that the grinding disc or abrasive belt contact disc, respectively, steps forward into the grinding position in periodic rotation synchronized with the turning of the workpiece.
    Type: Grant
    Filed: December 1, 1975
    Date of Patent: April 5, 1977
    Assignee: Hermann Werner, a Kommanditgesellschaft
    Inventor: Karl Lieser