Patents by Inventor Wataru Maekita

Wataru Maekita 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).

  • Rotation restricting device, robot joint and walking assistance device
    Patent number: 8920060
    Abstract: A rotation restricting device for restricting the rotation of a rotating part with respect to a base part, comprising a stopper supported so as to be capable of rotating around an axis of rotation of the base part, a lock mechanism capable of switching between a state preventing and a state allowing the rotation of the stopper with respect to the base part, a first block provided on the rotating part and capable of moving between a position interfering with and a position not interfering with a rotation path of the stopper, and a second block provided on the rotating part and capable of moving between a position interfering with and a position not interfering with the rotation path of the stopper. In a state where the rotation of the rotating part with respect to the base part is not restricted, both the first block and the second block are in the position interfering with the rotation path of the stopper, and the stopper is positioned between the first block and the second block.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: December 30, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Wataru Maekita
  • ROTATION RESTRICTING DEVICE, ROBOT JOINT AND WALKING ASSISTANCE DEVICE
    Publication number: 20120041348
    Abstract: A rotation restricting device for restricting the rotation of a rotating part with respect to a base part, comprising a stopper supported so as to be capable of rotating around an axis of rotation of the base part, a lock mechanism capable of switching between a state preventing and a state allowing the rotation of the stopper with respect to the base part, a first block provided on the rotating part and capable of moving between a position interfering with and a position not interfering with a rotation path of the stopper, and a second block provided on the rotating part and capable of moving between a position interfering with and a position not interfering with the rotation path of the stopper. In a state where the rotation of the rotating part with respect to the base part is not restricted, both the first block and the second block are in the position interfering with the rotation path of the stopper, and the stopper is positioned between the first block and the second block.
    Type: Application
    Filed: April 16, 2010
    Publication date: February 16, 2012
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Wataru Maekita