Patents by Inventor David S. Leverette

David S. Leverette 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).

  • Patent number: 4756430
    Abstract: A gravity feed shelf includes a plurality of chutes mounted on a rectangular frame having front and rear cross supports interconnected at their ends with a pair of side supports, the corner junctions between adjacent ends of the rear cross support and the side supports being formed by a lost motion connection in which front and back tabs on a support panel integral with each side support slide in slots formed in downwardly projecting elements of the rear cross support to accommodate sidewise motion of the side supports relative to the rear cross support so that variations in the horizontal spacing between vertical support posts on which the shelf is mounted due to manufacturing or installation procedures may be accommodated since the interconnection between these support posts and the shelf is via the rear ends of the side supports.
    Type: Grant
    Filed: December 1, 1987
    Date of Patent: July 12, 1988
    Assignee: The Mead Corporation
    Inventors: William S. Spamer, David S. Leverette
  • Patent number: 4706820
    Abstract: A gravity feed shelf includes a plurality of chutes mounted on a rectangular frame having front and rear cross supports interconnected at their ends with a pair of side supports, at least one corner junction between adjacent ends of the rear cross support and the side supports being formed by a slide connection to accommodate sidewise motion of the side supports relative to the rear cross support so that variations in the horizontal spacing between vertical support posts on which the shelf is mounted may be accommodated since the interconnection between these support posts and the shelf is via the rear ends of the side supports.
    Type: Grant
    Filed: October 17, 1986
    Date of Patent: November 17, 1987
    Assignee: The Mead Corporation
    Inventors: William S. Spamer, David S. Leverette