Patents by Inventor Gregory E. Garrett

Gregory E. Garrett 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).

  • Articulated parallelogram boom assembly synchronization device
    Patent number: 5129480
    Abstract: A synchronization device for an articulated parallelogram boom assembly having a floating frame connected between an upper work platform carrying boom assembly, and a lower vehicle mounted boom assembly. The synchronization device is mounted on the floating frame and includes a slidable member and compression and tension links connected between the slidable member and the upper and lower boom assemblies. The synchronization device is constructed and arranged to maintain the included angles of the adjacent upper and lower boom assemblies substantially identical during the luffing movement of the boom assemblies so that the work platform is maintained parallel to the ground plane.
    Type: Grant
    Filed: March 21, 1991
    Date of Patent: July 14, 1992
    Assignee: Kidde Industries, Inc.
    Inventors: Gregory E. Garrett, Geoffrey F. Wall