Patents by Inventor Hans Nader

Hans Nader 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).

  • Clamping head for the releasable attachment of a workpiece carrier to a machine tool spindle
    Patent number: 4890522
    Abstract: Axially displaceable shifters on the stock of a machine tool around the spindle serve to actuate clamps against the force of respective spring stacks to release a workpiece carrier whose pins are engaged by the clamps, thereby keeping the main spindle passage free from obstruction in a system for the quick-change replacement of workpieces on the respective workpiece carrier.
    Type: Grant
    Filed: March 25, 1988
    Date of Patent: January 2, 1990
    Assignee: Maschinenfabrik Heid Aktiengesellschaft
    Inventors: Hans Nader, Karl Steiner
  • Machine tool assembly
    Patent number: 4837918
    Abstract: An inclined-bed machine-tool assembly is provided having a tool carriage movable in the y-axis and bearing detachable tools, a tool-storage magazine for tools not in use, and a tool-loading means for moving the tools to and from the storage magazine and loading them into, as well as unloading them from, the tool carriage. The machine can be operated under programmatic control.
    Type: Grant
    Filed: May 26, 1988
    Date of Patent: June 13, 1989
    Assignee: Maschinenfabrik Heid Aktiengesellschaft
    Inventors: Franz Holy, Hans Nader