Patents by Inventor Charles H. Cleghorn

Charles H. Cleghorn 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: 4925289
    Abstract: A remote-controlled rear-view mirror assembly is movably supported in a housing and can be adjusted by an electric motor from a remote point. An electric motor is mounted in the mirror housing and has an electrically reversibly direction of rotation and stepdown gearing. The drive shaft is connected to a crank. A pin connected to the crank executes circular motion about the centerline axis of the drive shaft when the motor is activated. The pin slides in an endless groove cut in the face of a spherically shaped cam. The spherically shaped cam and mirror are rigidly attached at opposite ends of a common shaft. The common shaft has a spherical ball located at a point between the two ends. The spherical ball moves within a spherical cup which is attached to the mirror housing. The movement of the pin in the groove causes the mirror to pivot about the center of the spherical ball joint, giving the mirror its necessary range of motion.
    Type: Grant
    Filed: October 3, 1989
    Date of Patent: May 15, 1990
    Inventors: William L. Cleghorn, Charles H. Cleghorn