Patents Represented by Attorney Laurence A. Greeenberg
  • Patent number: 5440989
    Abstract: Method of performing worksteps in a cylinder of a printing press to which an operating medium is supplied includes energizing with the operating medium at least one actuator for performing the worksteps so that the one actuator acts against operating elements energized by spring force, associating with each of the worksteps a respective defined spring-force energization and a respective pressure stage of the operating medium overcoming the respective spring force, and performing the worksteps in a sequence corresponding to a sequence of association of the pressure stages with the worksteps, in stages towards higher pressures and towards lower pressures, respectively; and device for performing the method.
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: August 15, 1995
    Assignee: Heidelberger Druckmaschinen AG
    Inventor: Willi Becker