Patents by Inventor Itsuro Matsumoto

Itsuro Matsumoto 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).

  • Arm operating device in automatic operating machine
    Patent number: 4503722
    Abstract: In an arm operating device of an industrial robot, two chains are laid over the driving wheel provided in the supporting arm and the driven wheel provided in the bending arm, respectively, and are coupled through rigid transmission rods and a tension device to each other, and one of the transmission rods is rectangular in section, and is slightly pushed inwardly by a guide provided on the supporting arm, whereby the device operates positively and smoothly with being free from vibrations, and chain elongation and twist.
    Type: Grant
    Filed: March 29, 1982
    Date of Patent: March 12, 1985
    Assignee: Kabushiki Kaisha Yaskawa Denki Seisakusho
    Inventors: Takeo Suzuki, Itsuro Matsumoto, Yoshihiro Yurita, Hideharu Zenpo