Patent ID: 7703792

Claim:
In combination a hitch coupling assembly attaching a trailer to a towing vehicle comprising: said towing vehicle including a hitch plate having an upper surface and an open end for receiving a king pin; an arm having opposite ends; a skid plate attached to one end of said arm, said skid plate having a perimeter defined by sides and having said king pin extending from a surface thereof, said surface of said skid plate supported above said upper surface of said hitch plate and said king pin being retained in said open end of said hitch plate; a journal pin attached to the opposite end of said arm and being rotatable relative to said arm, said journal pin being rotatably fixed to said trailer; and said arm being selectively lockable relative to said hitch plate while leaving said journal pin rotatable relative to said arm, and said journal pin being selectively lockable relative to said arm while leaving said arm pivotable relative to said hitch plate about said king pin.