Patents by Inventor Robert W. Selleck

Robert W. Selleck 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).

  • Variable pitch sprockets for conveyor system
    Patent number: 4273240
    Abstract: A conveyor system which includes at least one drive sprocket and a plurality of idler sprockets to mesh with a continuous conveying member adapted to carry the work load. Support structure is provided for mounting the sprockets thereon in a predetermined arrangement in position to mesh with the conveying member to drive and guide the conveying member along a predetermined path. The sprockets are capable of variable pitch adjustment to accommodate for a pitch variation in the conveying member and adjust the sprockets to continue to mesh with the conveying member over a continuing period of use.
    Type: Grant
    Filed: January 26, 1979
    Date of Patent: June 16, 1981
    Assignee: Becton, Dickinson and Company
    Inventor: Robert W. Selleck