Patents by Inventor Satoshi Eguchi

Satoshi Eguchi 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).

  • Abnormal state detecting apparatus of a machine tool
    Patent number: 5142210
    Abstract: An abnormal state detecting apparatus of a machine tool having a servomotor. The apparatus is provided with a device for detecting an abnormal acceleration and an abnormal torque of the servomotor and a device for detecting an abnormal operation state of the servomotor from the directions of the detected acceleration and torque. When the torque, acceleration and operation state are all abnormal, the machine tool is judged to be in an abnormal state and the servomotor is controlled, thereby protecting the machine tool from an impact in an abnormal operation state.
    Type: Grant
    Filed: January 4, 1991
    Date of Patent: August 25, 1992
    Assignee: Okuma Machinery Works Ltd.
    Inventors: Takayoshi Kojima, Satoshi Eguchi, Takayasu Asano