| 摘要 |
A boat mooring device which self-adjusts to fluctuations in water level due to tidal action, floods, storms and the like is disclosed. The boat mooring device comprises an elongate, generally vertical pylon with a narrow vertical slit extending along most of the length of the pylon, an inner flotation device positioned within the pylon, means to attach the inner flotation device to a mooring line, and means to attach the pylon to a mooring structure such as a dock pole. The inner flotation member moves vertically within the interior of the vertical pylon as water level fluctuates, and the attached mooring line moves vertically in concert. The inner flotation member further includes a cylindrical collar containing brushing means, wherein the brushing means scour the interior surface of the pylon to clear barnacles or other debris which would interfere with the operation of the device.
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