When a foldable ladder sensor using a door lock device of a ceiling vent is pressed, a ladder descends to help a user to escape quickly. In ordinary times, the ladder serves as a vent.

    천장 환풍구의 도어록 장치를 이용한 접이식 사다리 센서를 눌름으로서 사다리가 내려오면서 빠른 탈출을 할수있게 도와준다 평소에는 환풍구 역활을 한다


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    Title :

    Bus emergency escape ladder


    Additional title:

    버스 비상탈출 사다리


    Contributors:

    Publication date :

    2019-12-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / E05B LOCKS , Schlösser



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