Patents by Inventor Syuji Fujita

Syuji Fujita 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).

  • Patent number: 8678660
    Abstract: A sealing device includes a bottom of an axial concave portion in a surface of an elastic member forming a radial lip, facing away from a flange portion in an axial direction overlaps an end face of a radially-extending portion of a core metal member, facing a tubular portion, in a radial direction. A bottom of a radial concave portion of the elastic member forming the radial lip, facing the tubular portion of a slinger is spaced from the end face of the core metal member toward a flange portion in the axial direction.
    Type: Grant
    Filed: November 19, 2008
    Date of Patent: March 25, 2014
    Assignees: JTEKT Corporation, Koyo Sealing Techno Co., Ltd.
    Inventors: Masahiro Tabata, Syuji Fujita, Shunichi Fujiwara, Kasumi Yamamoto
  • Publication number: 20100254647
    Abstract: The invention provides a sealing device, a rolling bearing and a rolling bearing for a wheel, in which a torque can be reduced, and also the air and lubricant are less liable to escape from the interior of the bearing to the exterior of the bearing, and the air and foreign matters are less liable to intrude into the bearing from the exterior of the bearing. A bottom 73 of an axial concave portion in a surface of an elastic member 51 forming a radial lip 70, facing away from a flange portion in an axial direction overlaps an end face 77 of a radially-extending portion 61 of a core metal member 50, facing a tubular portion 65, in a radial direction. A bottom 81 of a radial concave portion of the elastic member 51 forming the radial lip 70, facing the tubular portion 65 of a slinger 52 is spaced from the end face 77 of the core metal member 50 toward a flange portion 66 in the axial direction.
    Type: Application
    Filed: November 19, 2008
    Publication date: October 7, 2010
    Inventors: Masahiro Tabata, Kazutoshi Yamamoto, Kasumi Yamamoto, Syuji Fujita, Shunichi Fujiwara