Patents by Inventor Takumitsu Tachibana

Takumitsu Tachibana 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).

  • Method of and apparatus for blanking elements of belt for continuously variable transmission
    Patent number: 6427512
    Abstract: A metal sheet having a pair of thin portions on respective marginal edges thereof which are joined to a remaining portion of the metal sheet via respective corners is centered by positioning the center between the corners as the center of the metal sheet. Then, elements are blanked out of the metal sheet. The elements remain joined to the metal sheet by respective connectors which are formed in the respective thin portions of the metal sheet, the bodies having respective lower edges formed in the respective thin portions of the metal sheet. The elements are separated from the metal sheet by cutting off the connectors along the lower edges of the bodies.
    Type: Grant
    Filed: February 21, 2001
    Date of Patent: August 6, 2002
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Tetsuo Suzuki, Makoto Kobayashi, Takumitsu Tachibana
  • Method of and apparatus for blanking elements of belt for continuously variable transmission
    Publication number: 20010022102
    Abstract: A metal sheet having a pair of thin portions on respective marginal edges thereof which are joined to a remaining portion of the metal sheet via respective corners is centered by positioning the center between the corners as the center of the metal sheet. Then, elements are blanked out of the metal sheet. The elements remain joined to the metal sheet by respective connectors which are formed in the respective thin portions of the metal sheet, the bodies having respective lower edges formed in the respective thin portions of the metal sheet. The elements are separated from the metal sheet by cutting off the connectors along the lower edges of the bodies.
    Type: Application
    Filed: February 21, 2001
    Publication date: September 20, 2001
    Inventors: Tetsuo Suzuki, Makoto Kobayashi, Takumitsu Tachibana