Patents by Inventor Yamanaka Sadao

Yamanaka Sadao 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).

  • Grinding machine with a method for securing dimensional accuracy
    Patent number: 4404774
    Abstract: A device for use in a grinding machine for securing an accurate depth of grinding feed of a grinding wheel against a work so as to conduct a grinding operation on a work to a desired grinding accuracy. A diamond tip is adjustably mounted on the device so as to be caused to touch operatively the circumferential surface of the grinding wheel which is fed to a predetermined depth of grinding feed toward the work during a grinding operation cycle, thereby to define the desired dimension of the work so prescribed.
    Type: Grant
    Filed: September 3, 1981
    Date of Patent: September 20, 1983
    Assignee: Nippon Thompson, Co., Ltd.
    Inventor: Yamanaka Sadao