Patents by Inventor Nobuhiro Kayakabe

Nobuhiro Kayakabe 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 making a poly-V ribbed pulley
    Patent number: 4648163
    Abstract: A method of making a poly-V ribbed pulley engaged with a V-ribbed belt or V-ribbed belts. The method includes the steps of pressing two flanges or one circular projection between the two flanges in the cylinder, pressing a flange at the radially outer end of a thick circular plate, connecting one flange of the cylinder to the flange of the thick circular plate by welding, and performing rolling to form V-shaped grooves at the outside surface of the cylinder.
    Type: Grant
    Filed: August 19, 1985
    Date of Patent: March 10, 1987
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Nobuhiro Kayakabe, Tadashi Sugiura, Hitoshi Sugimoto
  • Clutch cover
    Patent number: 4611702
    Abstract: A clutch cover for use in a clutch assembly wherein a plurality of balance adjusting portions are provided at a periphery of a flange, and the balance adjusting portions are press-formed as bosses or connected to the main body of the clutch cover with deep grooves so that an imbalance of the clutch can be easily corrected or reduced on production line of clutch by removing certain balance adjusting portions.
    Type: Grant
    Filed: August 20, 1984
    Date of Patent: September 16, 1986
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Nobuhiro Kayakabe, Isamu Sasaki