Trailer ball lock apparatus

A trailer ball lock apparatus, comprising:

• an externally threaded connecting bolt member having a longitudinal axis, wherein said connecting bolt member includes a first longitudinal slot,
• a ball assembly which includes an internally threaded, longitudinally oriented, connecting-bolt-receiving well adapted to receive said connecting bolt member, wherein said ball assembly includes a top ball portion and a base portion, wherein said ball portion includes a pin-receiving well portion extending from a first side of said connecting-bolt-receiving well to a terminating point within the ball assembly, wherein said ball portion includes a pin-receiving channel portion located on a second side of said connecting-bolt-receiving well,
• a locking pin assembly which includes a lock pin portion adapted to extend through said pin-receiving channel portion into said pin-receiving well portion of said ball portion of said ball assembly, wherein said lock pin portion is placed in registration with said first longitudinal slot of said connecting bolt member of preventing rotation of said connecting bolt member within said ball assembly,
• wherein said pin-receiving channel portion of said ball portion of said ball assembly includes an internally threaded portion, and wherein said locking pin assembly includes an externally threaded portion adapted to screw into said internally threaded portion of said pin-receiving channel portion, and
• wherein said externally threaded portion of said locking pin assembly includes a receiver portion located longitudinally at one end of said externally threaded portion.