Patent ID: 6412315
Filing Date: 2002-07-02
Classification: B60D,E05B,Y10T

Abstract:
A trailer box hitch receiver lock for securing a ball mount in a trailer receiver hitch comprising:a) a solid pin having a cylindrical body with a first end and a second end with the first end having an integral head, said pin further having a notched recess in the body and a bore through the head and body communicating with the recess, with said bore enlarged through the head, b) an eccentric cam lobe, disposed within the recess having a shape conforming to the pin cylindrical body in an unlocked position and extending above the pin when rotated into a locked position, c) a high security circular keyway lock disposed completely within the enlarged portion of the bore in the head of the pin, and d) a lock connecting rod joining the eccentric cam lobe to the lock through the bore such that when the lock is in the unlocked position the cam lobe is flush with an outside surface of the pin and in a locked position the cam lobe is extended above the pin on an inside wall of the ball mount within the receiver hitch denying removal of the receiver lock and correspondingly the ball mount from the hitch wherein said head of the cylindrical pin is eccentric with the bore that receives the lock and the connecting rod.