| 摘要 |
A trailer hitch extension system includes a trailer that has an elongated forward arm having a front end and a back end. The front end is open. A tubular member has a first end and a second end. A trailer hitch is attached to the first end. The second end is positioned in the forward arm. The first end is selectively positionable adjacent to the front end or spaced from the front end. A driving assembly is mechanically coupled to the tubular member and to the forward arm. The driving assembly is configured to selectively move the tubular member with respect to the forward arm.
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