Patents by Inventor Xuexiao ZHAO

Xuexiao ZHAO 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).

  • Publication number: 20230296136
    Abstract: A plurality of press rolls (33) each having an inclined roll central axis (?) are used. Each of press rolls (33) and a hub ring (22z) are relatively rotated while pressing a roll processing surface portion (34) of each of the press rolls (33) against a plurality of locations of a tubular portion (25) of the hub ring (22z) in a circumferential direction to plastically deform the tubular portion (25).
    Type: Application
    Filed: May 27, 2021
    Publication date: September 21, 2023
    Applicant: NSK LTD.
    Inventors: Nobuyuki HAGIWARA, Xuexiao ZHAO
  • Publication number: 20220055089
    Abstract: An application position of a processing force directed radially outward is continuously changed in the circumferential direction of a cylindrical portion (25) while applying the processing force to a part of the cylindrical portion (25) of a hub main body (21) in the circumferential direction. An application position of a processing force directed radially inward is continuously changed in the circumferential direction of a staking portion intermediary body (41) while applying the processing force to a part of the staking portion intermediary body (41) in the circumferential direction.
    Type: Application
    Filed: April 9, 2020
    Publication date: February 24, 2022
    Applicant: NSK Ltd.
    Inventors: Nobuyuki HAGIWARA, Xuexiao ZHAO