Patents by Inventor Hans-Joachim Schlesinger

Hans-Joachim Schlesinger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4646423
    Abstract: The invention relates to a device for changing drill heads or other tool heads in machine tools arranged along a workpiece transfer line. Tool changing devices 5,6 are movable with respect to the transfer line 13 on tracks 3,4 which basically consist of a lifting mechanism 9, a turning mechanism 10 and gripping mechanisms 7,8. It is possible by means of this changing device to grip the boring heads 11,14, lift, turn and deposit these again. The same changing device can be used for a multiplicity of machine tools.
    Type: Grant
    Filed: June 13, 1986
    Date of Patent: March 3, 1987
    Assignee: Grob-Werke GmbH & Co, K.G.
    Inventors: Hans-Joachim Schlesinger, Waldemar Offner