Patents by Inventor Yoshiaki Nagashio

Yoshiaki Nagashio 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: 8061038
    Abstract: A rolling bearing assembling method includes: providing a subassembly member in which a cage and an outer ring raceway of an outer ring are combined with each other; disposing a rotary member that includes groove portions formed on an outer circumference thereof, concentrically with the outer ring so that the plurality of groove portions confront respectively pockets of the cage; disposing a guide member including a guide hole, above the rotary member; supplying tapered rollers from the guide hole between the pockets and the groove portions, respectively; rotating the rotary member by a predetermined angle so that the tapered rollers are pushed radially outward by raised portions between the adjacent groove portions thereby accommodating the tapered rollers into the pockets, respectively; providing the seal ring on the inner ring raceway; and assembling the hub main body together with the outer ring.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: November 22, 2011
    Assignee: JTEKT Corporation
    Inventors: Shigenori Shimizu, Yoshiaki Nagashio
  • Publication number: 20080222893
    Abstract: A rolling bearing assembling method includes: providing a subassembly member in which a cage and an outer ring raceway of an outer ring are combined with each other; disposing a rotary member that includes groove portions formed on an outer circumference thereof, concentrically with the outer ring so that the plurality of groove portions confront respectively pockets of the cage; disposing a guide member including a guide hole, above the rotary member; supplying tapered rollers from the guide hole between the pockets and the groove portions, respectively; rotating the rotary member by a predetermined angle so that the tapered rollers are pushed radially outward by raised portions between the adjacent groove portions thereby accommodating the tapered rollers into the pockets, respectively; providing the seal ring on the inner ring raceway; and assembling the hub main body together with the outer ring.
    Type: Application
    Filed: March 14, 2008
    Publication date: September 18, 2008
    Applicant: JTEKT CORPORATION
    Inventors: Shigenori Shimizu, Yoshiaki Nagashio