Patents by Inventor Yuusuke DOI

Yuusuke DOI 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: 10436250
    Abstract: To provide a retainer for a thrust bearing, which is to be assembled and decomposed regularly for being washed, having superior ball retaining performance itself and being attached and detached easily, and a thrust bearing having the retainer. A retainer for a thrust bearing 1, which retains a plurality balls intervened between a pair of raceway rings in a thrust bearing, is formed of a ring shaped plate member 2 formed of an injection molded body of a resin composition containing fluororesin, which is capable of injection molding, as a base resin. The ring shaped plate member 2 includes a plurality of ball pockets 3 in a circumferential direction of a ring shape. Each of the ball pockets 3 includes a claw portion divided into two portions 3a or more to retain a ball 5 in a detachable manner.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: October 8, 2019
    Assignee: NTN CORPORATION
    Inventors: Masato Shimoda, Yuusuke Doi
  • Publication number: 20180223905
    Abstract: To provide a retainer for a thrust bearing, which is to be assembled and decomposed regularly for being washed, having superior ball retaining performance itself and being attached and detached easily, and a thrust bearing having the retainer. A retainer for a thrust bearing 1, which retains a plurality balls intervened between a pair of raceway rings in a thrust bearing, is formed of a ring shaped plate member 2 formed of an injection molded body of a resin composition containing fluororesin, which is capable of injection molding, as a base resin. The ring shaped plate member 2 includes a plurality of ball pockets 3 in a circumferential direction of a ring shape. Each of the ball pockets 3 includes a claw portion divided into two portions 3a or more to retain a ball 5 in a detachable manner.
    Type: Application
    Filed: June 3, 2016
    Publication date: August 9, 2018
    Applicant: NTN CORPORATION
    Inventors: Masato SHIMODA, Yuusuke DOI