Patents by Inventor Michael W. Wallschlaeger

Michael W. Wallschlaeger 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).

  • Articulating truss boom
    Patent number: 6672467
    Abstract: An articulating truss boom for use with a lifting machine is described. The articulating truss boom assembly includes an articulating truss boom frame, a stationary support member attachable to a lifting machine, and an internal pivot assembly having a vertical pivot axis interposed between and providing the connection between the stationary support member and the articulating truss boom frame. The articulating truss boom frame is capable of pivoting with respect to the stationary support member about the vertical pivot axis in a horizontal plane transverse to the vertical pivot axis. The articulating truss boom assembly includes a hydraulic assembly which includes a metering valve having a removable restrictor inserted therein. The removable restrictor has a constricted channel therethrough to limit the hydraulic fluid channeled to the hydraulic assembly.
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: January 6, 2004
    Inventors: Joseph J. Merkel, Albert Jubeck, H. Peter Huttelmaier, Michael W. Wallschlaeger
  • Articulating truss boom
    Publication number: 20020056692
    Abstract: An articulating truss boom for use with a lifting machine is described. The articulating truss boom assembly includes an articulating truss boom frame, a stationary support member attachable to a lifting machine, and an internal pivot assembly having a vertical pivot axis interposed between and providing the connection between the stationary support member and the articulating truss boom frame. The articulating truss boom frame is capable of pivoting with respect to the stationary support member about the vertical pivot axis in a horizontal plane transverse to the vertical pivot axis. The articulating truss boom assembly includes a hydraulic assembly which includes a metering valve having a removable restrictor inserted therein. The removable restrictor has a constricted channel therethrough to limit the hydraulic fluid channeled to the hydraulic assembly.
    Type: Application
    Filed: August 31, 2001
    Publication date: May 16, 2002
    Inventors: Joseph J. Merkel, Albert jubeck, H. Peter Huttelmaier, Michael W. Wallschlaeger
  • Articulating truss boom
    Patent number: 6336565
    Abstract: An articulating truss boom for use with a lifting machine is described. The articulating truss boom assembly includes an articulating truss boom frame, a stationary support member attachable to a lifting machine, and an internal pivot assembly having a vertical pivot axis interposed between and providing the connection between the stationary support member and the articulating truss boom frame. The articulating truss boom frame is capable of pivoting with respect to the stationary support member about the vertical pivot axis in a horizontal plane transverse to the vertical pivot axis. She articulating truss boom assembly includes a hydraulic assembly which includes a metering valve having a removable restrictor inserted therein. The removable restrictor has a constricted channel therethrough to limit the hydraulic fluid channeled to the hydraulic assembly.
    Type: Grant
    Filed: December 1, 1998
    Date of Patent: January 8, 2002
    Inventors: Joseph J. Merkel, Al Jubeck, Michael W. Wallschlaeger