Patents by Inventor Naoki Inokai

Naoki Inokai 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: 20080052909
    Abstract: A linear-motion device has: a slider provided onto a guide rail relatively movably; and a plurality of rolling elements for causing the slider to move relatively in a longitudinal direction of the guide rail; whereby the slider comprising a slider block having rolling-element rolling grooves that oppose to rolling-element rolling grooves formed on the guide rail, and end caps that close both-end openings of the rolling-element rolling paths formed between the rolling-element rolling grooves on the slider block and the rolling-element rolling grooves on the guide rail, and rolling-element return paths for returning the rolling elements, which have rolled in the rolling-element rolling paths, are formed on the slider block, wherein the rolling-element return paths comprises a groove portion formed on an outer surface of the slider block along the longitudinal direction of the guide rail, and a cover member for covering the groove portion.
    Type: Application
    Filed: October 23, 2007
    Publication date: March 6, 2008
    Applicant: NSK Ltd.
    Inventors: Soichiro KATO, Takumi Nakagawa, Naoki Inokai, Kazuo Kanazawa
  • Patent number: 7303335
    Abstract: A linear-motion device has: a slider provided onto a guide rail relatively movably; and a plurality of rolling elements for causing the slider to move relatively in a longitudinal direction of the guide rail; whereby the slider comprising a slider block having rolling-element rolling grooves that oppose to rolling-element rolling grooves formed on the guide rail, and end caps that close both-end openings of the rolling-element rolling paths formed between the rolling-element rolling grooves on the slider block and the rolling-element rolling grooves on the guide rail, and rolling-element return paths for returning the rolling elements, which have rolled in the rolling-element rolling paths, are formed on the slider block, wherein the rolling-element return paths comprises a groove portion formed on an outer surface of the slider block along the longitudinal direction of the guide rail, and a cover member for covering the groove portion.
    Type: Grant
    Filed: December 12, 2002
    Date of Patent: December 4, 2007
    Assignee: NSK Ltd.
    Inventors: Soichiro Kato, Takumi Nakagawa, Naoki Inokai, Kazuo Kanazawa
  • Publication number: 20040232299
    Abstract: A linear-motion device has: a slider provided onto a guide rail relatively movably; and a plurality of rolling elements for causing the slider to move relatively in a longitudinal direction of the guide rail; whereby the slider comprising a slider block having rolling-element rolling grooves that oppose to rolling- element rolling grooves formed on the guide rail, and end caps that close both-end openings of the rolling-element rolling paths formed between the rolling-element rolling grooves on the slider block and the rolling-element rolling grooves on the guide rail, and rolling-element return paths for returning the rolling elements, which have rolled in the rolling-element rolling paths, are formed on the slider block, wherein the rolling-element return paths comprises a groove portion formed on an outer surface of the slider block along the longitudinal direction of the guide rail, and a cover member for covering the groove portion.
    Type: Application
    Filed: December 12, 2002
    Publication date: November 25, 2004
    Applicant: NSK LTD.
    Inventors: Soichiro Kato, Takumi Nakagawa, Naoki Inokai, Kazuo Kanazawa