Patent ID: 7107799

Claim:
A ball hitch locking device adapted to a ball-type trailer hitch having a receiver cavity for a trailer hitch ball, comprises: a base member having an upper surface, a central portion, a first side margin and a second side margin; a central mounting pedestal attached to said central portion, said central mounting pedestal having an upper end and a lower end welded to said upper surface around said central portion; a first side plate having a pin hole with a recessed margin in an outer surface of said first side plate, said first side plate attached to said first side margin of said base member; a second side plate having a pin hole attached to said second side margin of said base member; a cylindrical lock collar attaching to an outer surface of said second side plate around said pin hole; an upper pin shield attached to an inner surface of an upper end of said first side plate and an inner surface of an upper end of said second side plate forming an arch over said pin hole of said first side plate and said pin hole of said second side plate; a lock pin having a pin head on a first end, a shaft and a second end having a flattened locking tang with an aperture, said locking pin inserted through said pin hole in said first side plate and through said pin hole of said second side plate, said tang and aperture extending beyond said outer surface of said second side plate into said cylindrical locking collar; and a keyed cylindrical lock securing to said tang and aperture, said cylindrical lock being closely surrounded by said cylindrical lock collar.