A dual-mode crawler unit for traversing a generally tubular target, the unit comprising means for effecting a hand-over-hand action along the target and also means for effecting a driven action along the target, the unit comprising two or more traversing units, the units being directly connected to each other by one or more linear actuators.


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    Title :

    IN OR RELATING TO CRAWLERS


    Contributors:

    Publication date :

    2016-03-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING



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