Patents Represented by Attorney Daian L. Charlton

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  • Frame assembly for an operator's compartment
    Patent number: 5820199
    Abstract: A frame assembly for an operator's compartment includes an upper roof portion, a lower base portion, and first and second side support assemblies connected between the roof portion and the base portion. Each side support assembly includes a straight part, comprised of a formed tube, and a curved part, formed as a fabricated box section having several individual wall plates. The fabricated box section curved parts are stronger than the formed tubes and are, therefore, in the area of highest stress.
    Type: Grant
    Filed: November 8, 1995
    Date of Patent: October 13, 1998
    Assignee: Caterpillar Inc.
    Inventors: Chris F. Camplin, Paul J. Staebler, Jr., Gary D. Hiatt, Adrian Mulholland, Philip C. Wright