A ladder comprising at least one ladder body 1 that includes two vertical ladder poles 11 corresponding to each other, a plurality of horizontal rungs 12 disposed between the two ladder poles and spaced apart and at least one sliding rail 13 that is formed on at least one surface on one side of the ladder pole, arranged lengthwise and having a track 132 disposed between two rails of the sliding rail and the surface of the ladder pole. The ladder further comprises at least two sliding blocks 2 each of which is mounted and sliding in the sliding rail of the ladder pole respectively and having a braking end placed in the track of the sliding rail and an assembly end opposite to the braking end and protruding from the track, at least one assembly member 3 is connected to the two ends of the sliding blocks respectively.


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    Title :

    Ladder


    Publication date :

    2018-12-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English



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