Patents by Inventor Hitoshi Terado

Hitoshi Terado 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: 7402108
    Abstract: A flexible shaft coupling has first and second hubs, each of which is provided with flanges and connected to a transmission shaft. The flange of the first hub has spring holes extended therethrough. A cover is fixed to the second hub so that the flange of the first hub is held between the cover and the flange of the second hub, and the cylindrical part of the first hub extends through the cover. A plurality of coil spring sets each comprises multiple barrel-shaped coil springs. Each of the coil springs is supported in the spring hole so that the adjoining end faces thereof are in contact and in series with each other.
    Type: Grant
    Filed: March 22, 2005
    Date of Patent: July 22, 2008
    Assignees: Kyushu Hasec Co., Ltd., Shoyo Engineering Co., Ltd.
    Inventors: Tetsuya Miyakawa, Hitoshi Terado, Kazuichi Fukuda
  • Publication number: 20050221899
    Abstract: A flexible shaft coupling has first and second hubs, each of which is provided with flanges and connected to a transmission shaft. The flange of the first hub has spring holes extended therethrough. A cover fixed to the second hub so that the flange of the first hub is held between the cover and the flange of the second hub, and the cylindrical part of the first hub extends through the cover. A plurality of coil spring sets each comprises multiple barrel-shaped coil springs. Each of the coil springs is supported in the spring hole so that the adjoining end faces thereof are in contact and in series with each other.
    Type: Application
    Filed: March 22, 2005
    Publication date: October 6, 2005
    Inventors: Tetsuya Miyakawa, Hitoshi Terado, Kazuichi Fukuda