Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gomer B. Jones0
Robert F. Mater, Jr.0
Date of Patent
May 11, 2010
0Patent Application Number
117622680
Date Filed
June 13, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An extension coupling for interconnecting a trailer to a tow hitch carried on a tow vehicle includes a pin box assembly having a first end and a second end. The first end is pivotally connected to the trailer. A king pin is connected to the second end. The pin box assembly includes a locking wedge that engages the tow hitch to strictly limit pivoting movement of the pin box assembly relative to the tow hitch.
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