Patents Assigned to Reed Irrigation Systems, Inc.
  • Self-locking coupling
    Patent number: 4021061
    Abstract: A coupling device for connecting hoses or flexible conduits to each other or to other fittings comprises a male member with an enlarged end portion having a plurality of conical stages and an annular female member or locking sleeve that is retained on the male member and shaped to grip and seal an end of a hose or conduit inserted between the sleeve and the male member.
    Type: Grant
    Filed: April 10, 1975
    Date of Patent: May 3, 1977
    Assignee: Reed Irrigation Systems, Inc.
    Inventor: Harry M. Zimmerman