Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Charles J. MacKarvich0
Date of Patent
November 7, 2006
0Patent Application Number
110780540
Date Filed
March 11, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The trailer hitch (10) includes a guide bar (25) threaded about the stem (20) of the hitch ball (18). An alignment plate (45) that is rigidly mounted to the lower wall of the trailer tongue (34) has converging guide surfaces (50 and 51) that receive the guide bar (25), causing the guide bar and the crotch of the converging surfaces to become aligned as the guide bar engages the alignment plate. This aligns the ball receiving socket (42) of the coupler (40) with the hitch ball (18).
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