Patents by Inventor Galen I. Underwood

Galen I. Underwood 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).

  • Clamping mechanism for motor grader moldboards
    Patent number: 3983945
    Abstract: A bracket is carried by the motor grader and has upper and lower slots formed therein to slidably receive an upper and a lower slide surface respectively of a slide rail arrangement which is secured to the back of the moldboard. A hydraulic jack is attached to the bracket and has an extendable and retractable rod which is operatively associated with a clamp device positioned for direct engagement with the upper slide surface for forcing the lower slide surface into rigid clamping engagement with the lower slot in the bracket upon extension of the rod.
    Type: Grant
    Filed: June 11, 1975
    Date of Patent: October 5, 1976
    Assignee: Caterpillar Tractor Co.
    Inventors: Francis H. Hart, Galen I. Underwood