Patents by Inventor Yoshihiko Kashiwabara

Yoshihiko Kashiwabara 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: 4802567
    Abstract: In a plate processing machine such as punch press provided with a workpiece moving/positioning device (49) including a carriage base (53) movable in the longitudinal Y-axis) direction of the machine and a carriage (69) movable in the lateral (X-axis) direction of the machine, a carriage drive unit of an X-axis motor (79) and a reduction gear (77) for moving the carriage is disposed near a middle portion of the carriage base to balance the workpiece moving/positioning device, so that workpiece processing precision can be improved. Further, the width of a caterpillar table (82) fixed to the carriage base between two movable tables (81) also fixed to the carriage base is reduced to prevent vibration of the caterpillar table, so that scratches under the surface of a workpiece can be reduced.
    Type: Grant
    Filed: February 4, 1987
    Date of Patent: February 7, 1989
    Assignee: Amada Company, Limited
    Inventors: Hidekatsu Ikeda, Hidetoshi Miyama, Yoshihiko Kashiwabara