| 摘要 |
The device eliminates the filth such as cords or sediments which is attached on the screw of a power transmission shaft of a ship by cutting and hooking. The device includes connecting rods(10), joints(11), a hook(1) which is located at the end of the rod, a cutter(9) which is installed in the hook(1), a motor(2), shafts(4), bearings(5), a worm gear(6) and a driving gear(7). The cutter is partially exposed at the hook(1) and rotates by the rotation of the driving gear(7).
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