A ceiling transport vehicle includes an obstacle detecting portion fixed to a main body portion at a location that is above an article supported by a vertically movable member located at a transport purpose position. The obstacle detection portion is within an area in which the article exists in plan view such that a direction in which detection light, etc., is emitted is tilted outward of the article. When vertically moving the vertically movable member between the transport purpose position and the transfer purpose position, the controller is configured not to determine presence of an obstacle based on detected information from the obstacle detecting portion while the vertically movable member is located in a subject range, and is configured to determine presence of an obstacle while it is not located in the subject range.


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    Title :

    Ceiling transport vehicle


    Contributors:

    Publication date :

    2018-09-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H01L Halbleiterbauelemente , SEMICONDUCTOR DEVICES / B61B RAILWAY SYSTEMS , Eisenbahnanlagen / B66C Krane , CRANES



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