To provide a crane capable of appropriately derricking a boom while suppressing the damage of a pendant rope.SOLUTION: A crane 1 comprises a boom 4 and a pendant rope 6 to derrickably suspend and support the boom 4. A longitudinal direction of the pendant rope 6 is held parallel to a boom derricking surface on which the boom 4 performs a derricking operation when the pendant rope 6 suspends and supports the boom 4.SELECTED DRAWING: Figure 2

    【課題】ペンダントロープ等の損傷を抑制しつつ、好適にブームを起伏させる。【解決手段】クレーン1は、ブーム4と、ブーム4を起伏可能に吊支するペンダントロープ6とを備える。ペンダントロープ6は、ブーム4を吊支しているときに、当該ペンダントロープ6の長手方向が、ブーム4が起伏動作するブーム起伏面に対し、平行に保持されている。【選択図】図2


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    Title :

    CRANE AND FALLING-DOWN METHOD OF BOOM OF CRANE


    Additional title:

    クレーン、クレーンのブーム倒伏方法


    Contributors:

    Publication date :

    2022-10-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES



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