In one preferred form there is provided an accessory (28) for a shank type lifting hook (30). The accessory (28) comprises a mounting portion (32) for receiving the shank (34) of the lifting hook (30). An actuator mechanism (36) is provided for being operated to 5 limit movement of a safety gate (38) to provide a number of operating conditions (58). The operating conditions (58) include a locked condition (40) in which the safety gate (38) is secured in a closed condition (42) so as to extend across the opening of the hook portion (46) of the lifting hook (30)so that the hook portion (46) is able to securely hold a lifting load. Fig.4 Fig.5 28 coo co coo coo "t CD co


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    Titel :

    High tonnage lifting hooks


    Beteiligte:
    DINSE JOHN (Autor:in)

    Erscheinungsdatum :

    18.01.2018


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66C Krane , CRANES / E21B EARTH OR ROCK DRILLING , Erd- oder Gesteinsbohren



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