Patents by Inventor Hiroyoshi Yasutake

Hiroyoshi Yasutake 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: 10914341
    Abstract: The motion guide device includes a lubricant supply passage provided in at least one of a pair of cover members provided to a movable member and configured to supply lubricant to an endless circulation passage, in which the lubricant supply passage includes at least a first lubricant supply passage ? formed to extend in a direction orthogonal to a longitudinal direction of the track member from at least one of a left side surface and a right side surface of the cover member, and a second lubricant supply passage ? connected to the first lubricant supply passage ?, and a passage shape in a place connected to the first lubricant supply passage ? of the second lubricant supply passage ? is configured as a diameter-expanded hollow section having a diameter more expanded than a passage shape of another place. Thus, a new form of a cover member is provided.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: February 9, 2021
    Assignee: THK CO., LTD.
    Inventors: Hiroyuki Kishi, Mitsumasa Wada, Hiroyoshi Yasutake, Eriko Oshima
  • Publication number: 20200332833
    Abstract: A motion guide device includes: a track member including a rolling member rolling surface; a movable member including a loaded rolling member rolling surface, and a rolling member return passage; a pair of cap members including a direction change passage connecting the loaded rolling member rolling surface and the rolling member return passage; and a plurality of rolling members arrayed in a rollable manner on a loaded rolling member rolling passage, the rolling member return passage, and a pair of the direction change passages, the loaded rolling member rolling passage being made up of the rolling member rolling surface and the loaded rolling member rolling surface. A gap between the rolling member and the direction change passage at a boundary portion X is formed so as to become smaller than a gap between the rolling member and the rolling member rolling surface at the boundary portion.
    Type: Application
    Filed: August 14, 2018
    Publication date: October 22, 2020
    Applicant: THK CO., LTD.
    Inventors: Hiroyuki Kishi, Mitsumasa Wada, Hiroyoshi Yasutake, Eriko Oshima, Shinji Aoki, Takuma Tsunoda
  • Publication number: 20200158172
    Abstract: The motion guide device includes a lubricant supply passage provided in at least one of a pair of cover members provided to a movable member and configured to supply lubricant to an endless circulation passage, in which the lubricant supply passage includes at least a first lubricant supply passage ? formed to extend in a direction orthogonal to a longitudinal direction of the track member from at least one of a left side surface and a right side surface of the cover member, and a second lubricant supply passage ? connected to the first lubricant supply passage ?, and a passage shape in a place connected to the first lubricant supply passage ? of the second lubricant supply passage ? is configured as a diameter-expanded hollow section having a diameter more expanded than a passage shape of another place. Thus, a new form of a cover member is provided.
    Type: Application
    Filed: May 23, 2018
    Publication date: May 21, 2020
    Applicant: THK CO., LTD.
    Inventors: Hiroyuki Kishi, Mitsumasa Wada, Hiroyoshi Yasutake, Eriko Oshima
  • Patent number: D875150
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: February 11, 2020
    Assignee: THK CO., LTD.
    Inventors: Hiroyuki Kishi, Mitsumasa Wada, Hiroyoshi Yasutake, Eriko Oshima
  • Patent number: D916939
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: April 20, 2021
    Assignee: THK CO., LTD.
    Inventors: Hiroyuki Kishi, Mitsumasa Wada, Hiroyoshi Yasutake, Eriko Oshima