Patents Assigned to Esco Design, Inc.
  • Electromechanical linear actuator
    Patent number: 4500805
    Abstract: An electromechanical linear actuator comprises an electric motor driving a cog belt and pulley device in turn rotating a lead screw of the ball type. The lead screw is restrained axially and rotates a drive nut which moves axially along the screw in one and an opposite direction. The drive nut in turn moves an actuator assembly comprising a drive ring, four (4) circumaxially spaced rods, and an actuating head connected at a remote end of the rods.
    Type: Grant
    Filed: February 7, 1984
    Date of Patent: February 19, 1985
    Assignee: Esco Design, Inc.
    Inventor: Richard G. Swanson