Patents Assigned to The United States of Amerca as represented by the United States Department of Energy
  • Patent number: 4926745
    Abstract: A pull rod assembly comprising a pull rod having three peripheral grooves, a piston device including an adaptor ring and a seal ring, said piston device being mounted on the pull rod by a split ring retainer situated in one groove and extending into an interior groove in the adaptor and a resilient split ring retained in another groove and positioned to engage the piston device and to retain the seal on its adaptor.
    Type: Grant
    Filed: April 21, 1988
    Date of Patent: May 22, 1990
    Assignee: The United States of Amerca as represented by the United States Department of Energy
    Inventor: Olisse C. Cioletti