Patents Assigned to DME Handels- Og Licensselskab Aps
  • Patent number: 4750444
    Abstract: A shiplifting device comprising a platform (1) submersible in a basin and having a deck (2) and a downwardly open lifting skirt (3) positioned below the platform. The shiplifting device supplies and removes air from the lifting skirt and link arms (4, 4') connecting the platform with the quay or parts associated therewith, each link arm at mutually separated points being pivotally connected with the platform and the quay about a substantially horizontal axis of rotation (5, 6; 5',6'), so that the platform maintains its horizontal orientation. The link arms provide buoyancy, and the centers of buoyancy (7, 7') of each moves between a first area in the immediate vicinity of a horizontal plane through the axis of rotation (6, 6') of the link arm (4, 4') in question relative to the quay, and a second area in the immediate vicinity of a vertical plane through the same axis of rotation (6, 6').
    Type: Grant
    Filed: December 10, 1986
    Date of Patent: June 14, 1988
    Assignee: DME Handels- Og Licensselskab Aps
    Inventor: Svend Lemvig