Patents by Inventor Takanori Nukata

Takanori Nukata 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).

  • Frictional coupling device support structure and transmission
    Patent number: 7845480
    Abstract: A support structure for supporting a brake, as a frictional coupling device, includes a snap ring, a friction plate, and a back plate. The snap ring fits in a groove that extends in a circle. The back plate is disposed between the friction plate and the snap ring. The back plate is pressed against the snap ring. The snap ring has a first end face that faces the back plate and a second end face that faces the opposite side from the first end face and is in contact with a sidewall of the groove. The back plate has an end face that is in contact with the first end face. The static friction coefficient between the first end face of the snap ring and the end face of the back plate is smaller than that between the second end face of the snap ring and the sidewall of the groove.
    Type: Grant
    Filed: August 22, 2007
    Date of Patent: December 7, 2010
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Tatsuo Obata, Tetsuya Kohno, Junichi Nishinosono, Hirofumi Onishi, Yuji Yasuda, Takanori Nukata
  • Support structure of a friction apply device and transmission
    Publication number: 20080060904
    Abstract: A support structure of a brake includes a snap ring, friction plates, a back plate, and return springs. The snap ring is arranged in a groove that extends in a circle around a predetermined axis. The return springs push the back plate against the snap ring. The snap ring includes a pair of abutments that face one another across a gap in the circumferential direction. The return spring is arranged within a range of +90° with respect to the center of the gap between the pair of abutments around the predetermined axis. The return spring is arranged within a range of ?90° with respect to the center of the gap between the pair of abutments around the predetermined axis.
    Type: Application
    Filed: September 6, 2007
    Publication date: March 13, 2008
    Inventor: Takanori Nukata
  • Frictional coupling device support structure and transmission
    Publication number: 20080060897
    Abstract: A support structure for supporting a brake, as a frictional coupling device, includes a snap ring, a friction plate, and a back plate. The snap ring fits in a groove that extends in a circle. The back plate is disposed between the friction plate and the snap ring. The back plate is pressed against the snap ring. The snap ring has a first end face that faces the back plate and a second end face that faces the opposite side from the first end face and is in contact with a sidewall of the groove. The back plate has an end face that is in contact with the first end face. The static friction coefficient between the first end face of the snap ring and the end face of the back plate is smaller than that between the second end face of the snap ring and the sidewall of the groove.
    Type: Application
    Filed: August 22, 2007
    Publication date: March 13, 2008
    Inventors: Tatsuo Obata, Tetsuya Kohno, Junichi Nishinosono, Hirofumi Onishi, Yuji Yasuda, Takanori Nukata