Patents by Inventor Michael G. Zerbe

Michael G. Zerbe 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).

  • Adjustable cam sprocket
    Patent number: 6532923
    Abstract: An adjustable camshaft sprocket assembly for attachment to a camshaft. A camshaft sprocket is removably securable to a camshaft sprocket hub and moveable, independent of the camshaft sprocket hub when the camshaft sprocket assembly is mounted on the camshaft. An adjustment tool is used to adjust the camshaft sprocket comprising at least two extensions. The first extension is of a size to fit within one a corresponding opening in the camshaft hub. The second extension is of a size to pass though a different corresponding opening in the camshaft hub and fit within a corresponding opening in the camshaft sprocket. A handle extension is used for turning the adjustment tool about the second extension, which serves as a pivot.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: March 18, 2003
    Assignee: Dynagear, Inc.
    Inventors: Thomas D. Woodward, Michael G. Zerbe
  • ADJUSTABLE CAM SPROCKET
    Publication number: 20030010304
    Abstract: An adjustable camshaft sprocket assembly for attachment to a camshaft. A camshaft sprocket is removably securable to a camshaft sprocket hub and moveable, independent of the camshaft sprocket hub when the camshaft sprocket assembly is mounted on the camshaft. An adjustment tool is used to adjust the camshaft sprocket comprising at least two extensions. The first extension is of a size to fit within one a corresponding opening in the camshaft hub. The second extension is of a size to pass though a different corresponding opening in the camshaft hub and fit within a corresponding opening in the camshaft sprocket. A handle extension is used for turning the adjustment tool about the second extension, which serves as a pivot.
    Type: Application
    Filed: June 28, 2002
    Publication date: January 16, 2003
    Inventors: Thomas D. Woodward, Michael G. Zerbe