A davit 100 comprises a column 102 mounted for rotation about an upright axis and a telescopic jib 106 attached to the column 102, the jib 106 being formed from inner 110 and outer 108 sections, the inner section 110 having an outer profile with first and second substantially parallel sidewalls (300 fig. 3). The first and second parallel sidewalls (300 fig. 3) may be connected by an arc (302 fig. 3) that corresponds in shape to a portion of the inner profile of the outer section 108, which profile may be circular (fig. 2). The jib 106 may include a lifting head 112 formed from first and second plates (700, 706 fig 7) attached to the first and second sidewalls (300 fig. 3), the head 112 comprising tools such as sheaves (710, 712 fig. 7) and shackles (714, 720 fig. 7) for attaching a load. The jib 106 may be attached pivotally to the column 102 and a folding backstay 114 may be coupled between the jib 106 and the column 102 above the point at which the jib 106 is connected to the column 102. The jib 106 may include an overload indicator in the form of inner and outer jib sections 110, 108 that deform differently when overloaded such that connection apertures (400, 404, 406, 408 fig. 6) in the inner and outer jib sections 110, 108 for a connection pin (403 fig. 4) no longer align. The walls of the outer jib 108 section may be thinner than the walls of the inner jib section 110. Also disclosed is a bearing 1000 for the column 102 of a davit 100, the bearing having a body 1002 shaped externally corresponding to an internal profile of the column 102, the body 1002 having a first bore 1004 for a component such as a king post 104 on which the bearing 1000 bears and a pair of spaced parallel bores 1006A, 1006B, narrower than the first bore 1004 and extending across the first bore 1004 perpendicular to the first bore 1004, the pair of bores 1006A, 1006B receiving retaining pins which engage with a groove in the component received in the first bore.


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    Titel :

    A davit


    Beteiligte:
    PETER ITALIANO (Autor:in)

    Erscheinungsdatum :

    04.05.2016


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66C Krane , CRANES / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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