Patents by Inventor Toshio Kawamura

Toshio Kawamura 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).

  • Seal assembly for a linkage
    Patent number: 4295654
    Abstract: A seal assembly for a joint of each pair of adjacent links of an endless track assembly comprising a wear-resistant elastomeric seal ring and a resilient elastomeric load ring. A wear-resistant annular plate is bonded to one of the members of the joint. The load ring is compressed when mounted in place, thus urging the seal ring in sealing contact with the wear-resistant annular plate.
    Type: Grant
    Filed: May 12, 1980
    Date of Patent: October 20, 1981
    Assignee: Kabushiki Kaisha Komatsu Seisakusho
    Inventors: Toshio Kawamura, Noboru Harashima, Hideo Ueda, Seijiro Sano