Patents by Inventor W. Ray Borthick

W. Ray Borthick 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).

  • Frame and axle for heavy duty trucks
    Patent number: 4629211
    Abstract: This invention relates to a wheel supported heavy load carrying vehicle which comprises a frame upon which a load may be supported. The frame includes a structural cross-member. Unlike the prior art, the spherical bearing is made an integral part of the cross-member. An axle box assembly is used to support the wheels which support the bulk of the load. The box assembly has a nose cone which has a concave bearing which mates with the spherical bearing on the structural cross-member.
    Type: Grant
    Filed: March 31, 1986
    Date of Patent: December 16, 1986
    Assignee: Unit Rig & Equipment Co.
    Inventors: Rodger L. Modglin, W. Ray Borthick, Timothy W. Roberts