The invention discloses a novel lifting-ring screw. The novel lifting-ring screw comprises a lifting ring and a screw. The novel lifting-ring screw is characterized in that a goose-egg-shaped round hole is arranged at the center of the lifting ring; the screw comprises a screw cap and a screw stud; the screw cap is fixed at the lower end of the lifting ring; the outer wall of the screw stud is provided with threads in a surrounding manner. By the arrangement, the novel lifting-ring screw disclosed by the invention has the advantages that by the structural optimization, the assembling size is more accurate; the assembly is simple, the time and the labor can be saved, the durable effect is achieved and the production cost is lower.


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    Title :

    Novel lifting-ring screw


    Contributors:

    Publication date :

    2015-05-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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