Patents by Inventor Tomiyoshi Sato

Tomiyoshi Sato 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).

  • Mechanism for moving a magnetic head
    Patent number: 4750068
    Abstract: A mechanism for moving a magnetic head of a type at least having a chassis, a motor mounted on the chassis, a lead screw driven by the motor either in a normal rotational direction or in a reverse rotational direction, guide shafts mounted on the chassis, and a carriage carrying a magnetic head thereon and slidably mounted on the guide shafts. A connecting cam body is provided to convert the rotational movements of the lead screw into a reciprocating movement of the carriage, and the carriage is forced to one direction by the connecting cam body.
    Type: Grant
    Filed: January 29, 1986
    Date of Patent: June 7, 1988
    Assignee: Hitachi, Ltd.
    Inventors: Tetsuro Akasaki, Tomiyoshi Sato, Hidenobu Takahashi, Masahiro Kimura, Seiichi Hayashi