| 摘要 |
<p>The end of the bracket has a hook (6) capable of taking a towing cable (7). The hook is supported on an arm (5) which swivels on a horizontal pin (8). This pin is at the end of a towing arm (3). The towing arm (3) swivels in the horizontal plane around the vertical axes (2) attached to the main structure of the vessel. The towing arm is supported at its outer end by a single roller (10), on the horizontal pin (11). The roller travels on a circular rail (9) which is strengthened by a vertical web.</p> |
