Patents by Inventor Tomeo Fukano

Tomeo Fukano 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).

  • Method and apparatus for superfinishing tapered roller bearing
    Patent number: 6726544
    Abstract: A superfinishing method of a tapered roller bearing, including the steps of: rotating an outer ring of the tapered roller bearing about a center axis thereof; inserting a straight-shaped superfinishing stone from a front face of outer ring; and slidingly contacting a leading end face of the superfinishing stone with a taper-shaped raceway surface formed in an inner peripheral surface of the outer ring to thereby superfinish the raceway surface. The superfinishing stone is inclined outwardly of the front face of outer ring with respect to a vertical line of the raceway surface.
    Type: Grant
    Filed: February 27, 2002
    Date of Patent: April 27, 2004
    Assignee: NSK Ltd.
    Inventors: Tai Ozaki, Tomeo Fukano, Tooru Sugiyama
  • Method and apparatus for superfinishing tapered roller bearing
    Publication number: 20020152616
    Abstract: A superfinishing method of a tapered roller bearing, including the steps of: rotating an outer ring of the tapered roller bearing about a center axis thereof; inserting a straight-shaped superfinishing stone from a front face of outer ring; and slidingly contacting a leading end face of the superfinishing stone with a taper-shaped raceway surface formed in an inner peripheral surface of the outer ring to thereby superfinish the raceway surface. The superfinishing stone is inclined outwardly of the front face of outer ring with respect to a vertical line of the raceway surface.
    Type: Application
    Filed: February 27, 2002
    Publication date: October 24, 2002
    Applicant: NSK LTD.
    Inventors: Tai Ozaki, Tomeo Fukano, Tooru Sugiyama