Patents by Inventor Charles R. Chesnut

Charles R. Chesnut 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: 4154173
    Abstract: Disclosed is a table-easel which supports a working surface in such a manner that it is readily movable in three directions, height, tilt, and rotation. The height adjustment is achieved by means of a pair of telescopically assembled uprights on a base and support frame which are raised and lowered by a double action turnscrew. The working surface is provided by a tabletop mounted on a cross shaft rotatably supported between the upper ends of the support frame, and tilt is achieved by rotating the cross shaft about its substantially horizontal axis. A locking structure is provided at one end of the cross shaft to lock the shaft in a particular tilt position. To permit rotation of the tabletop about a central axis normal to its surface, a pair of trunnion plates are provided. The tabletop is attached to one of the plates, and the other is attached to the cross shaft.
    Type: Grant
    Filed: January 28, 1977
    Date of Patent: May 15, 1979
    Inventor: Charles R. Chesnut