Patents Assigned to Edward J. Moen
  • Motion board drive system
    Patent number: 4759140
    Abstract: A logic control linear drive magnetic motor is used to reciprocate approximately 180.degree. the flat panels which make a display board. Each panel of the display board is connected to a pulley which is in a plane perpendicular to the longitudinal dimension of the vane. A continuous drive cord is connected to each end of a shuttle cylinder of the motor and is wrapped around the pulley drum. Movement of the shuttle cylinder moves the drive cord which controls the rotation of the vanes.
    Type: Grant
    Filed: August 6, 1986
    Date of Patent: July 26, 1988
    Assignee: Edward J. Moen
    Inventors: William D. Roberts, Graham M. Stopford