Patents by Inventor James G. Zeilinger

James G. Zeilinger 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).

  • Apparatus for coupling tool holders
    Patent number: 5110240
    Abstract: Apparatus for coupling a tool holder to a machine tool spindle wherein the tool holder is fitted to a coupling interposed between the tool holder and the spindle. The coupling and the tool holder have separable fasteners for separably joining the tool holder and coupling together. The coupling can accommodate tool holders having dissimilar fasteners and the tool holder can be fitted to couplings having dissimilar fasteners.
    Type: Grant
    Filed: May 9, 1991
    Date of Patent: May 5, 1992
    Assignee: DeVlieg-Bullard, Inc.
    Inventors: James G. Zeilinger, Leon O. Kern
  • Tool holder with clamped position latch
    Patent number: 4456271
    Abstract: A tool holder assembly is provided with a spindle adapter socket member having a threaded end with a nut threaded thereon, the nut having a clamping configuration at a bottom thereof for clamping a tool adapter to the socket. The socket member is provided with an outer diameter toothed ring and the nut is provided with a mating toothed member movable between toothed ring engaging and tooth ring disengaged positions to lock the nut in fixed rotational position to the socket member.
    Type: Grant
    Filed: June 7, 1982
    Date of Patent: June 26, 1984
    Assignee: Houdaille Industries, Inc.
    Inventors: Leon O. Kern, James G. Zeilinger, Gerald E. Mueller