Patents by Inventor Youichi Nagano

Youichi Nagano 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).

  • Conical roller bearing
    Patent number: 4478463
    Abstract: A conical roller bearing has a side plate of substantially L-shaped cross section fitted to the larger diameter side end portion of the inner peripheral surface of an outer race. The inner end surface of the side plate and the end surface of the larger diameter portion of a retainer are axially opposed to each other so that the inner end surface and the end surface of the larger diameter portion bear against each other when the cone has moved axially outwardly.
    Type: Grant
    Filed: December 13, 1982
    Date of Patent: October 23, 1984
    Assignee: Nippon Seiko Kabushiki Kaisha
    Inventors: Toru Takai, Kenji Takei, Youichi Nagano