Patents by Inventor Futoshi KAMIMURA

Futoshi KAMIMURA 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).

  • Telescopic shaft and steering system
    Patent number: 9707991
    Abstract: A telescopic shaft includes: an inner shaft where a pair of recessed grooves that face each other in a direction perpendicular to an axis and extend in an axial direction are formed; an outer shaft where a pair of recessed grooves that face each other in the direction perpendicular to the axis and extend in the axial direction are formed; a plurality of rolling bodies that are disposed between each of the recessed grooves and the corresponding recessed groove so as to form a line in the axial direction; a pair of stoppers; and a buffer body unit. Each of the stoppers restricts falling of a rolling body at an end portion of the corresponding line from the corresponding recessed groove of the inner shaft. The buffer body unit integrally includes a pair of buffer bodies, and a connection portion that connects the pair of buffer bodies.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: July 18, 2017
    Assignees: JTEKT CORPORATION, KOYO MACHINE INDUSTRIES CO., LTD.
    Inventors: Futoshi Kamimura, Kiyoshi Iwase, Mitsuharu Ozaki, Daiki Yano, Kazuhide Honda, Yasutaka Fukumoto, Osamu Honda, Naoki Fujimoto, Takashi Maeda
  • Telescopic Shaft and Steering System
    Publication number: 20160185378
    Abstract: A telescopic shaft includes: an inner shaft where a pair of recessed grooves that face each other in a direction perpendicular to an axis and extend in an axial direction are formed; an outer shaft where a pair of recessed grooves that face each other in the direction perpendicular to the axis and extend in the axial direction are formed; a plurality of rolling bodies that are disposed between each of the recessed grooves and the corresponding recessed groove so as to form a line in the axial direction; a pair of stoppers; and a buffer body unit. Each of the stoppers restricts falling of a rolling body at an end portion of the corresponding line from the corresponding recessed groove of the inner shaft. The buffer body unit integrally includes a pair of buffer bodies, and a connection portion that connects the pair of buffer bodies.
    Type: Application
    Filed: December 28, 2015
    Publication date: June 30, 2016
    Applicants: JTEKT CORPORATION, KOYO MACHINE INDUSTRIES CO., LTD.
    Inventors: Futoshi KAMIMURA, Kiyoshi IWASE, Mitsuharu OZAKI, Daiki YANO, Kazuhide HONDA, Yasutaka FUKUMOTO, Osamu HONDA, Naoki FUJIMOTO, Takashi MAEDA