Patents by Inventor Uchida Tomio

Uchida Tomio 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).

  • Two-way bulldozer mechanism
    Patent number: 4008771
    Abstract: A two-way bulldozer mechanism for mounting on a forwardly extending push frame of an earthmoving vehicle is provided with a reversible blade assembly having opposite upper and lower blade portions hinged together by a central hinge connection formed therebetween. An elongated lever has a central pivot connection for pivotally mounting the lever to the push frame and a lower end thereof pivotally mounted to the blade assembly in coaxial relation to the hinge connection.
    Type: Grant
    Filed: July 30, 1975
    Date of Patent: February 22, 1977
    Assignee: Caterpillar Mitsubishi Ltd.
    Inventor: Uchida Tomio