Patents Assigned to Spelean Pty. Limited
  • Patent number: 5135119
    Abstract: A rescue frame to pivot about footings supported adjacent to an upper edge of a vertical incline. The rescue frame comprises a primary tubular member passing through the footings and having attached thereto a number of secondary tubular members so as to form a triangular pyramid having a pulley attached to it's apex such that upon pivoting the frame about the primary member, the pulley will extend out over the edge so that rope and stretcher may clear the incline during a lifting or lowering operation. Upon reaching the top of the incline, frame is pivoted back to laterally transfer the stretcher to another side of the primary member to safety located stretcher above the ground where it may be released from rope.
    Type: Grant
    Filed: April 16, 1990
    Date of Patent: August 4, 1992
    Assignee: Spelean Pty. Limited
    Inventor: Kenneth B. Larkin