| 摘要 |
An anti-theft, safety device is disclosed for use with ball and socket trailer hitches comprising a base plate clamped to the tow bar near the ball, a post attached at one end to the base plate that extends vertically from the tow bar adjacent to the ball and socket, an upper plate through which the post extends that moves vertically and rotates with respect to the post, a bushing with an opening in register with the opening in the upper plate through which the post extends, both the post and the bushing having transverse openings through which a lock bolt may be passed when the holes are aligned so that the upper plate will be held over the socket to prevent the socket from being disconnected from the ball.
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