Patents by Inventor Toshi Kitagawa

Toshi Kitagawa 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: 6666109
    Abstract: A worm shaft having a worm thereon, a worm wheel meshed with the worm, and a motor for driving the worm shaft are provided. The worm shaft and a shaft of the motor are connected together directly without interposing a rotation transmission mechanism, such as a gear therebetween. Both end portions of the worm shaft are supported rotatably on bearings. The bearing for one end portion of the worm shaft is provided on a body frame, and the bearings provided on the side of the motor shaft are fixed to a cylindrical fitting portion of the retainer member to which the motor is fixed.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: December 23, 2003
    Assignee: Tsudakoma Kogyo Kabushiki Kaisha
    Inventor: Toshi Kitagawa
  • Publication number: 20020088305
    Abstract: A worm shaft having a worm thereon, a worm wheel meshed with the worm, and a motor for driving the worm shaft are provided. The worm shaft and a shaft of the motor are connected together directly without interposing a rotation transmission mechanism, such as a gear therebetween. Both end portions of the worm shaft are supported rotatably on bearings. The bearing for one end portion of the worm shaft is provided on a body frame, and the bearings provided on the side of the motor shaft are fixed to a cylindrical fitting portion of the retainer member to which the motor is fixed.
    Type: Application
    Filed: December 19, 2001
    Publication date: July 11, 2002
    Applicant: TSUDAKOMA KOGYO KABUSHIKI KAISHA
    Inventor: Toshi Kitagawa