Patents by Inventor Yoshikuni Tsukahara

Yoshikuni Tsukahara 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).

  • Assembled wrist for industrial robot including a protective member
    Patent number: 5816108
    Abstract: A assembled wrist for use on an industrial robot having a final-axis arm (2) includes passage (45) formed by first, second and third spaces arranged in series. The passage extends from a third driver tube (9) in the final-axis arm (2) to one end surface of a tool support portion (5). A protective member (50) has ends fixed and sealed to the third driver tube (9) and the tool support portion (5) respectively so that the protective member (50) may be disposed in the passage (45). The protective member has flexible components (62) at least near the fixed and sealed ends so that the flexible component (62) deforms according to the rotations of the third driver tube (9) and the tool support portion (5).
    Type: Grant
    Filed: October 21, 1996
    Date of Patent: October 6, 1998
    Assignee: Kabushiki Kaisha Kobe Seiko Sho
    Inventors: Mitsuyoshi Obata, Yoshikuni Tsukahara, Satoru Nakamura, Toshihiro Nagatani