Patents by Inventor Ginjiro Yanai

Ginjiro Yanai 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).

  • Driving apparatus for vertical rolling mill
    Patent number: 4831858
    Abstract: A driving apparatus for a vertical rolling mill comprises a vertical electric motor mounted on a frame which has a hollow rotary shaft therein supported by a bearing and surrounding a portion of an intermediate shaft. The upper end of the intermediate shaft extends through the hollow rotary shaft and connects to a first universal joint disposed axially above the motor, and which engages the upper end of the hollow rotary shaft. The torque of the hollow rotary shaft is transmitted to the vertical roll through the first universal joint of the intermediate shaft, and a second universal joint.
    Type: Grant
    Filed: December 10, 1987
    Date of Patent: May 23, 1989
    Assignees: FEC Co., Ltd., Fuji Electric Co., Ltd.
    Inventors: Isamu Yoshizawa, Ginjiro Yanai, Seiichi Matsuda