| 摘要 |
A boat plug to seal the hole in a boat's transom is disclosed. The plug provides a flexible rubber stopper having an axial channel that is inserted into the transom hole. A plug bolt and a plug nut are threadedly engaged inside the rubber stopper. A spring rod, attached to the plug bolt, may be rotated by hand to turn the plug bolt on the plug nut's threads. Clockwise rotation shortens the length of the rubber stopper, expanding its diameter to make a water-tight seal. Counterclockwise rotation causes the rubber stopper to relax, allowing it to be easily inserted or removed from the transom hole. The flexibility of the spring rod allows the user to apply torque while keeping his hand a safe distance from the hull of the boat, thereby avoiding scraped knuckles.
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