| 摘要 |
<p>A vehicle having a coupling device attaching a towing ball to a tongue extending from the vehicle. The tongue has an aperture. The coupling device includes a box section with one end of the box section having an opening with a width and height that allows it to be slid over the tongue. An opposite end of the box section has a towing ball attached thereto. The box section has coaxially aligned apertures in a top and a bottom wall. The apertures are spaced along the top and bottom wall so as to align, in use, with the aperture in the tongue.</p> |
