Patents by Inventor Viktor A. Krivak

Viktor A. Krivak 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).

  • Double-ended multiple-spindle fine boring machine
    Patent number: 4352611
    Abstract: A machine bed carries outer platens and a center platen mounted, for relative movement, on the bearing faces of guides, to effect the feed. The working face of the center platen, whereon a device for clamping the workpieces is mounted, is arranged in a vertical plane. The outer platens extend vertically and carry spindle heads mounted thereon. The bearing faces of the guides are disposed above the center of gravity of each one of the platens mounted thereon for a convenient loading of workpieces and for the removal of cutting fluid and chips by gravity.
    Type: Grant
    Filed: December 27, 1979
    Date of Patent: October 5, 1982
    Inventors: Genrikh M. Goldraikh, Askold F. Dubinenko, Leonid V. Kapitelman, Viktor A. Krivak, Viktor Y. Livshits, Konstantin M. Manenkov, Semen M. Khomutov, Eduard N. Khomchenko