| 摘要 |
A hopper barge having at least two longitudinal air chambers interconnected pivotally at deck level, which chambers in a loading position bound an upwardly open well and in an unloading position release a discharge opening at the bottom, and comprising at least one control unit for controlling the relative position of the air chambers, with per each control unit two synchronously controlled jack means, which are each pivotally connected with at least one of the air chambers by on the one end a lever arm, which two lever arms are arranged in substantially mirror-symmetrical relationship relative to the median longitudinal plane of the vessel and being interconnected pivotally, and on the other end a hinge fixedly secured to one of the air chambers.
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