Patents by Inventor Akio Tsujimura

Akio Tsujimura 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: 4710091
    Abstract: In a loading and unloading apparatus, a plurality of guide rails are disposed as directed in the horizontal direction on a front surface of a support plate for a main body of the loading and unloading apparatus, which support plate has a fork at its bottom portion, base portions of a pair of arms which can be arbitrarily opened and closed in the directions of coming close to and separating from each other for clamping and releasing an object, are movably supported by these guide rails, and at the tip end portions of the respective arms are provided hooks which can be arbitrarily moved in the back and forth directions of the arms.
    Type: Grant
    Filed: November 15, 1985
    Date of Patent: December 1, 1987
    Assignees: Toyo Seikan Kaisha, Ltd., Komatsu Forklift Kabushiki Kaisha
    Inventors: Toshio Ochiai, Akio Tsujimura, Hiroshi Tsukiyasu