| 摘要 |
A device simply the alignment of a trailer tongue of a towed vehicle for coupling to the tow bar of a towing vehicle. The device includes a direction orientable wheeled body having a socket thereon to receive the lower end of a vertical tongue jack of the trailer whereby movement of the wheel of the device aligns the trailer tongue hitch socket with the hitch ball of a towing vehicle. Wheel movement is achieved by rotation of a gear in engagement with the wheel.
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