Patents by Inventor Gary R. Doebler

Gary R. Doebler 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).

  • Opposed-rope hoist driven telescoping mast
    Patent number: 7624967
    Abstract: An opposed-rope driven telescoping mast assembly includes a stationary support and a longitudinal mast comprising a longitudinal section joined to move relative to the stationary support. A drive assembly drives the longitudinal mast and includes a frame and a rotatable drum assembly mounted to the frame. A first rope is joined to the drum assembly and to the longitudinal mast to pull the longitudinal section in a first direction, while a second rope is joined to the drum assembly and to the longitudinal mast to pull the longitudinal section in a second direction. A sensor is operably coupled to the drive assembly to sense overload tension in the first rope or the second rope.
    Type: Grant
    Filed: April 19, 2007
    Date of Patent: December 1, 2009
    Assignee: Par Systems, Inc.
    Inventors: Gary R. Doebler, Thomas E. Jung, Albert J. Sturm, Jr.