Patents Examined by Rosenthal Arnold
  • Connection for servo operated valve
    Patent number: 4981283
    Abstract: An overtravel absorbing drive connection for a servo operated rotary actuated valve having an external shaft means. A crank pin provided on the external portion of the shaft means is engaged on opposite sides thereof respectively by a pair of resilient arms extending from driving hub of a connector attached to the servo output shaft. Continued rotation of the servo output shaft after closure of the valve is absorbed by resilient bending of the connector arms.
    Type: Grant
    Filed: January 25, 1990
    Date of Patent: January 1, 1991
    Assignee: Eaton Corporation
    Inventors: Cyril E. Bradshaw, Norman E. Zerndt