Patents Represented by Attorney Raymond Coppiellie MacMillan, Sobanski & Todd, LLC

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  • Servo motor for actuating a mandrel while extruding helical teeth
    Patent number: 8215880
    Abstract: An apparatus for extruding helical teeth in a gear blank includes a press including a die plate and a die base, the die plate being movable along an axis relative to the die base, the die base supporting the gear blank. A mandrel, aligned with the axis and moveable with the die plate along the axis, includes a surface that includes helical die teeth. A servo motor drives the mandrel in rotation about the axis to the required helix angle as the mandrel moves axially relative to the gear blank.
    Type: Grant
    Filed: October 3, 2008
    Date of Patent: July 10, 2012
    Assignee: Ford Global Technologies, LLC
    Inventors: Joseph A. Szuba, Emilo A. Tonello, Michael A. Cook, Rodney G. Whitbeck