Patents by Inventor Richard R. Vickers

Richard R. Vickers 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: 4318631
    Abstract: A texturing broom apparatus for surface grooving freshly laid uncured concrete pavement comprising a traveling horizontal endless conveyor belt having a texturing broom, provided with a row of straight spring steel tines projecting from a base board in spaced apart side-by-side parallel relation, pivotally mounted on the conveyor belt for pivotal movement thereon in a vertical plane parallel to the direction of belt travel with the row of tines extending transversely across and outwardly from the belt and the tines disposed parallel to the longitudinal vertical plane of the belt. Spring means biases the pivoted broom forwardly of the direction of belt travel to a limiting idle position and the broom is supported on the belt in a position with its tines in a trailing working position disposed above and at a shallow working angle of less than about 20.degree.
    Type: Grant
    Filed: January 21, 1980
    Date of Patent: March 9, 1982
    Inventor: Richard R. Vickers