Patents by Inventor Tomohito ISHIKURA

Tomohito ISHIKURA 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).

  • Damper pulley manufacturing method and damper pulley manufacturing apparatus
    Patent number: 10094462
    Abstract: A damper pulley manufacturing method includes an arranging process in which a circular hub having a cylindrical outer peripheral surface and a circular pulley having a cylindrical inner peripheral surface are arranged such that the cylindrical outer peripheral surface opposes the cylindrical inner peripheral surface, a centering process in which a tapered portion of a first centering jig is made to abut on an axial end portion of the hub and a tapered portion of a second centering jig is made to abut on an axial end portion of the pulley to perform centering of the hub and the pulley, and a press-fitting process in which after the centering process, a damper rubber is press-fitted between the cylindrical outer peripheral surface and the cylindrical inner peripheral surface.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: October 9, 2018
    Assignee: JTEKT CORPORATION
    Inventor: Tomohito Ishikura
  • DAMPER PULLEY MANUFACTURING METHOD AND DAMPER PULLEY MANUFACTURING APPARATUS
    Publication number: 20160102749
    Abstract: A damper pulley manufacturing method includes an arranging process in which a circular hub having a cylindrical outer peripheral surface and a circular pulley having a cylindrical inner peripheral surface are arranged such that the cylindrical outer peripheral surface opposes the cylindrical inner peripheral surface, a centering process in which a tapered portion of a first centering jig is made to abut on an axial end portion of the hub and a tapered portion of a second centering jig is made to abut on an axial end portion of the pulley to perform centering of the hub and the pulley, and a press-fitting process in which after the centering process, a damper rubber is press-fitted between the cylindrical outer peripheral surface and the cylindrical inner peripheral surface.
    Type: Application
    Filed: May 8, 2014
    Publication date: April 14, 2016
    Applicant: JTEKT CORPORATION
    Inventor: Tomohito ISHIKURA