Patents by Inventor Daisuke HIBI

Daisuke HIBI 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: 11453374
    Abstract: To provide a disc brake having a planetary gear reduction mechanism that may be satisfactory costly and achieve improved reliability, a planetary gear reduction mechanism of a disc brake according to the present disclosure includes a sun gear having an input gear portion to which rotation from a motor is transmitted and an output gear portion extending axially from a radial central region of the input gear portion, a plurality of planetary gears configured to mesh with the output gear portion of the sun gear, and an internal gear configured to mesh with each planetary gear, and the internal gear has a cylindrical support portion configured to rotatably support the sun gear. Accordingly, at the time of assembly, the axis of the sun gear and the axis of the internal gear may be arranged substantially concentrically, which may result in improved reliability and cost satisfaction.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: September 27, 2022
    Assignee: HITACHI ASTEMO, LTD.
    Inventors: Takashi Mitsugi, Daisuke Hibi, Takayasu Sakashita, Jun Watanabe, Rikiya Yoshizu, Atsushi Odaira, Takuya Usui
  • Publication number: 20210039620
    Abstract: To provide a disc brake having a planetary gear reduction mechanism that may be satisfactory costly and achieve improved reliability, a planetary gear reduction mechanism of a disc brake according to the present disclosure includes a sun gear having an input gear portion to which rotation from a motor is transmitted and an output gear portion extending axially from a radial central region of the input gear portion, a plurality of planetary gears configured to mesh with the output gear portion of the sun gear, and an internal gear configured to mesh with each planetary gear, and the internal gear has a cylindrical support portion configured to rotatably support the sun gear. Accordingly, at the time of assembly, the axis of the sun gear and the axis of the internal gear may be arranged substantially concentrically, which may result in improved reliability and cost satisfaction.
    Type: Application
    Filed: March 27, 2019
    Publication date: February 11, 2021
    Inventors: Takashi MITSUGI, Daisuke HIBI, Takayasu SAKASHITA, Jun WATANABE, Rikiya YOSHIZU, Atsushi ODAIRA, Takuya USUI