The present invention relates to a two-stage door device installed in a truck cargo box, including a frame portion installed at a rear part of a cargo box; a first door portion rotatably installed in the frame portion; a first driving unit installed on a side surface of the cargo box, connected to the frame portion, and adjusting the height of the frame portion by applying a force to the frame portion; a second driving unit installed in the first door portion and rotating the first door portion by applying a force to the first door portion; a second door portion disposed on the upper side of the first door portion and rotatably installed on the upper side of the cargo box; and a third driving unit installed on a side surface of the cargo box and rotating the second door portion by applying a force to the second door portion. According to the present invention, cargo loading onto the cargo box can be easily performed even without separate means such as a forklift.

    본 발명은 트럭 적재함에 설치되는 2단 도어 장치에 관한 것으로서, 적재함의 후면 부분에 설치되는 프레임부; 상기 프레임부에 회동가능하게 설치되는 제1도어부; 상기 적재함의 측면에 설치되며, 상기 프레임부에 연결되며, 상기 프레임부에 힘을 인가하여 상기 프레임부의 높이를 조절하는 제1구동부; 상기 제1도어부에 설치되며, 상기 제1도어부에 힘을 인가하여 상기 제1도어부를 회동시키는 제2구동부; 상기 제1도어부의 상측에 배치되며 상기 적재함의 상측면에 회동가능하게 설치되는 제2도어부; 및 상기 적재함의 측면에 설치되며, 상기 제2도어부에 힘을 인가하여 상기 제2도어부를 회동시키는 제3구동부를 포함한다. 본 발명에 따르면, 지게차와 같은 별도의 수단을 이용하지 않고도 적재함에 화물을 용이하게 적재시킬 수 있는 효과가 있다.


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    Titel :

    2 TWO STEPPED DOOR DEVICE OF BEING INSTALLED ON TRUCK CARGO BOX


    Weitere Titelangaben:

    트럭 적재함에 설치되는 2단 도어 장치


    Beteiligte:

    Erscheinungsdatum :

    2018-10-12


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    E05F DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION , Vorrichtungen zum Bewegen der Flügel in die Offen- oder Schließstellung / B62D MOTOR VEHICLES , Motorfahrzeuge



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