Patents by Inventor Michael Lee Gambrell

Michael Lee Gambrell 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).

  • Chain conveyor and clip
    Patent number: 6896122
    Abstract: A chain conveyor includes a plurality of load rollers, a plurality of drive rollers, which are arranged in pairs, and a pair of spaced apart rows of interconnecting linkages aligned generally parallel to the longitudinal axis of the chain conveyor. The load rollers and the drive rollers are rotatably mounted between the linkages with the load rollers positioned between the pairs of drive rollers. The diameter of each load roller is larger than the diameter of each drive roller. The load rollers and the drive rollers are spaced along the longitudinal axis wherein the chain conveyor includes gaps between the outer surfaces of adjacent load rollers and between the outer surfaces of adjacent driver rollers.
    Type: Grant
    Filed: June 4, 2004
    Date of Patent: May 24, 2005
    Assignee: Rapistan Systems Advertising Corp.
    Inventors: Michael Lee Gambrell, Ray Bradley Tompkins
  • Chain conveyor and clip
    Publication number: 20040256200
    Abstract: A chain conveyor includes a plurality of load rollers, a plurality of drive rollers, which are arranged in pairs, and a pair of spaced apart rows of interconnecting linkages aligned generally parallel to the longitudinal axis of the chain conveyor. The load rollers and the drive rollers are rotatably mounted between the linkages with the load rollers positioned between the pairs of drive rollers. The diameter of each load roller is larger than the diameter of each drive roller. The load rollers and the drive rollers are spaced along the longitudinal axis wherein the chain conveyor includes gaps between the outer surfaces of adjacent load rollers and between the outer surfaces of adjacent driver rollers.
    Type: Application
    Filed: June 4, 2004
    Publication date: December 23, 2004
    Inventors: Michael Lee Gambrell, Ray Bradley Tompkins