| 摘要 |
A device for closing the socket of a trailer hitch, generally called a coupler lock, generally comprises a locking bar and a base having a plug member, a locking bar-receiving aperture, and an integral locking means for lockingly engaging the locking bar within aperture. When the coupler lock is attached to a trailer coupler, the trailer hitch socket is not accessible without removing the coupler lock with the appropriate key. Thus, theft of an unattended trailer is deterred due to the difficulty in attempting to remove the locking device. Providing a coupler lock having an integral locking mechanism better deters the tampering with or removal of the locking mechanism to remove the coupler lock from the trailer hitch as is possible in the art.
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