PROBLEM TO BE SOLVED: To make a mast structurally simple and easily manufacturable and transportable.SOLUTION: In a climbing crane 10, a crane body 4 is installed on the top of vertically-stacked mast assemblies 1. A bottom mast 2a and an intermediate mast 2b are composed of a rectangular cross-section cylindrical body. A plurality of openings 30, through which a person can pass, are formed in a vertically arranged manner in each plate-like side wall 20.SELECTED DRAWING: Figure 2

    【課題】マストを構造が簡単で製造及び運搬が容易なものにする。【解決手段】上下に積み上げられたマストアッセンブリ1の頂部にクレーン本体4が設置されるクライミングクレーン10において、底部マスト2a及び中間マスト2bを断面矩形の筒状体で構成し、板状の各側壁20に人が通過可能な複数の開口部30を上下に並ぶように形成する。【選択図】図2


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    Title :

    MAST OF CLIMBING CRANE


    Additional title:

    クライミングクレーンのマスト


    Contributors:

    Publication date :

    2016-07-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES



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