The invention relates to a trunk board opening and closing device for a dumper truck trunk. The trunk board opening and closing device for the dumper truck trunk is ingenious in structure, reliable, durable and wide in application range. The trunk board opening and closing device for the dumper truck trunk comprises a connecting arm, a manual bending arm, a middle connecting arm, a lock rod, lock boards and lock hooks. The two sides of the bottom of each lock board extend to form two protruding portions, and the lock boards are fixed to the bottom of a trunk board; the lock hooks are fixed to the lock rod, and the lock rod is arranged at the bottom of the trunk and is opposite to the lock boards; the end of the lock rod is fixedly connected with one end of the middle connecting arm, and the other end of the middle connecting arm is connected with one end of the connecting arm through a first rotating shaft; and the other end of the connecting arm is connected with the upper portion of the manual bending arm through a second rotating shaft. A supporting point is arranged at the position, below the second rotating shaft, of the manual bending arm, and the supporting point is movably connected with the trunk.


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    Title :

    Trunk board opening and closing device for dumper truck trunk


    Contributors:
    LI TAO (author) / ZHANG ZHENGFENG (author) / DANG XIANBIN (author)

    Publication date :

    2015-05-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS



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