Patents by Inventor Tsuyoshi Ishizuka

Tsuyoshi Ishizuka 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).

  • Skate unit for cable protection and guide device
    Patent number: 7373770
    Abstract: A skate disposed between facing portions of a folded, flexible, cable guide includes a first set of rollers which contact only one of the two facing portions, and a second set of rollers which contact only the other of the two facing portions. A turning member mounted at an end of the skate is in rolling contact with the bent portion of the guide.
    Type: Grant
    Filed: February 16, 2007
    Date of Patent: May 20, 2008
    Assignee: Tsubakimoto Chain Co.
    Inventors: Tsutomu Iwami, Masaaki Ikeda, Fujio Yamamoto, Tsuyoshi Ishizuka
  • Skate unit for cable protection and guide device
    Publication number: 20070227117
    Abstract: A skate disposed between facing portions of a folded, flexible, cable guide includes a first set of rollers which contact only one of the two facing portions, and a second set of rollers which contact only the other of the two facing portions. A turning member mounted at an end of the skate is in rolling contact with the bent portion of the guide.
    Type: Application
    Filed: February 16, 2007
    Publication date: October 4, 2007
    Applicant: Tsubakimoto Chain Co.
    Inventors: Tsutomu Iwami, Masaaki Ikeda, Fujio Yamamoto, Tsuyoshi Ishizuka