Patents by Inventor Yasunari TOMURA

Yasunari TOMURA 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: 9599162
    Abstract: A sealed rolling bearing includes an outer race and an inner race. A cylindrical portion provided at the outer portion of a sealing member is press-fitted into each end of the outer race. A cylindrical portion provided at the inner portion of a slinger is press-fitted onto each end of the inner race. The sealing member has at its inner peripheral portion first and second radial lips which are in elastic contact with the slinger to prevent entry of foreign matter into the bearing space. The slinger has an annular portion including an axially outwardly extending, outwardly bent portion provided at its outer peripheral portion. The outwardly bent portion has an outer periphery located inwardly of the outer end of the cylindrical portion of the sealing member. A small gap is defined between the outwardly bent portion and the inner surface of the cylindrical portion as a labyrinth.
    Type: Grant
    Filed: October 1, 2013
    Date of Patent: March 21, 2017
    Assignee: NTN CORPORATION
    Inventor: Yasunari Tomura
  • Publication number: 20150300411
    Abstract: A sealed rolling bearing includes an outer race and an inner race. A cylindrical portion provided at the outer portion of a sealing member is press-fitted into each end of the outer race. A cylindrical portion provided at the inner portion of a slinger is press-fitted onto each end of the inner race. The sealing member has at its inner peripheral portion first and second radial lips which are in elastic contact with the slinger to prevent entry of foreign matter into the bearing space. The slinger has an annular portion including an axially outwardly extending, outwardly bent portion provided at its outer peripheral portion. The outwardly bent portion has an outer periphery located inwardly of the outer end of the cylindrical portion of the sealing member. A small gap is defined between the outwardly bent portion and the inner surface of the cylindrical portion as a labyrinth.
    Type: Application
    Filed: October 1, 2013
    Publication date: October 22, 2015
    Applicant: NTN CORPORATION
    Inventor: Yasunari TOMURA