Patents by Inventor Fujio Satou

Fujio Satou 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).

  • Guide roller assembly for crawler type vehicles and method for forming guide roller
    Patent number: 6074023
    Abstract: A guide roller assembly for use in a guide roller mechanism of a crawler type vehicle, including a support shaft fixedly provided on a truck frame and a guide roller rotatably mounted on the support shaft through bearings. The guide roller has an integral unitary body structure of a stepped cylindrical shape having a radially bulged portion formed integrally by plastic deformation in an axially intermediate portion between cylindrical end portions of a smaller diameter, and having a uniform wall thickness over the entire length of the guide roller. The guide roller is improved in strength and can realize a substantial cut in production cost.
    Type: Grant
    Filed: July 3, 1997
    Date of Patent: June 13, 2000
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Fujio Satou, Ken Ichiryu, Kiyoshi Tanaka