An arm (10) has a first opposing surface (a left side surface plate (11A) of an arm body (11) and a left side plate (14A) of a sheave mounting member (14)) and a second opposing surface (a right side surface plate (11B) of the arm body (11) and a right side plate (14B) of the sheave mounting member (14)) that are opposite in a direction (the right-and-left direction) perpendicular to a length direction of the arm (10) (the front-rear direction) . A first lifting sheave (19) is disposed on an outer side surface of the left side plate (14A) of the sheave mounting member (14), and a second lifting sheave (23) is disposed on an outer side surface of the left side surface plate (11A) of the arm body (11). A first opening/closing sheave (21) is disposed on an outer side surface of the right side plate (14B) of the sheave mounting member (14), and a second opening/closing sheave (30) and an opening/closing cylinder (31) are disposed on an outer side surface of the right side surface plate (11B) of the arm body (11).


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    Title :

    DEEP FOUNDATION EXCAVATOR


    Additional title:

    TIEFGRÜNDUNGSBAGGER
    EXCAVATRICE DE FONDATION PROFONDE


    Contributors:
    INAMOTO AKIRA (author) / SEKI SEIJI (author) / ISOGAI KASUMI (author)

    Publication date :

    2024-07-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES / E02F Baggern , DREDGING



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