| 摘要 |
<p>BOAT HULL SCRUBBING APPARATUS Apparatus for scrubbing the hull of a boat comprising a pair of side frames spaced for a boat to be floated therebetween and a pair of generally horizontal power driven brushes extending transversely between the side frames. The brushes are pivotally secured together at their inner ends and are so mounted on the side frames that the position of the brushes is changeable as a boat floats over the brushes so that the brushes are maintained in scrubbing engagement with the bottom of the boat hull.</p> |
