Patents by Inventor Haruhisa Oota

Haruhisa Oota 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: 7951029
    Abstract: In an engine timing chain guide composed of a synthetic resin shoe supported on a frame by L-shaped and strip-shaped engagement members integrally molded as unitary parts of the shoe, the L-shaped members are formed with oblique tongues that resiliently engage side edges of the frame member, and the strip-shaped engagement members include surfaces that extend obliquely toward, and resiliently engage, a side edge of the frame member. Laterally extending legs of the L-shaped members are also formed with bulged portions, and the frame member is sandwiched between the bulged portions and a back side of the shoe.
    Type: Grant
    Filed: August 8, 2008
    Date of Patent: May 31, 2011
    Assignee: Tsubakimoto Chain Co.
    Inventors: Haruhisa Oota, Junya Kurohata
  • Publication number: 20090105023
    Abstract: In an engine timing chain guide composed of a synthetic resin shoe supported on a frame by L-shaped and strip-shaped engagement members integrally molded as unitary parts of the shoe, the L-shaped members are formed with oblique tongues that resiliently engage side edges of the frame member, and the strip-shaped engagement members include surfaces that extend obliquely toward, and resiliently engage, a side edge of the frame member. Laterally extending legs of the L-shaped members are also formed with bulged portions, and the frame member is sandwiched between the bulged portions and a back side of the shoe.
    Type: Application
    Filed: August 8, 2008
    Publication date: April 23, 2009
    Applicant: TSUBAKIMOTO CHAIN CO.
    Inventors: Haruhisa Oota, Junya Kurohata