| 摘要 |
<p>A cleaner for the hulls of boats or ships comprises a supporting frame (2), at least one cleaning element (5) associated with the frame (2) and which can be positioned opposite a surface (4) to be cleaned, hold-down means (7) connected to the frame (2) and acting between the frame (2) and the surface (4) to be cleaned, for keeping the cleaner in contact with the surface to be cleaned, and movement means (13) associated with the frame (2) for moving, in conjunction with the hold-down means (7), the frame (2) along the surface (4) to be cleaned.</p> |
