Patents by Inventor Robert W. Buxton

Robert W. Buxton 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: 4924993
    Abstract: The invention provides a conveyor assembly having a support structure and a first conveyor extending from the support structure. There is a first vertical pivot for permitting rotation of the first conveyor about the support structure in a generally horizontal plane. There is a first horizontal pivot for permitting vertical pivoting of the first conveyor relative to the support structure and a hydraulic cylinder for maintaining the first conveyor at a required vertical angle while cantilevered from the support structure. There is a second conveyor extending from the second end of the first conveyor, and a second vertical pivot for connecting the second conveyor to the second end of the first conveyor and permitting rotation of the second conveyor about the second end of the vertical conveyor in a generally horizontal plane.
    Type: Grant
    Filed: November 8, 1988
    Date of Patent: May 15, 1990
    Inventor: Robert W. Buxton