Patent ID: 7461856

Claim:
A trailer coupler to connect to a hitch ball of a towing vehicle, comprising: a front portion of the trailer coupler having a latch attached thereto; a grasping means, slidingly engaged within a spring housing, for grasping the hitch ball of the towing vehicle; a ball receiving cavity positioned within the trailer coupler wherein said hitch ball of said towing vehicle is received in said ball receiving cavity of the trailer coupler; said spring housing located within the trailer coupler and having a spring positioned thereon wherein said spring acts on said grasping means to engage the hitch ball; and a locking pin for securing the latch when the latch is in the engaged position; said trailer coupler having a first opening and a second opening thereon and said latch having a first opening and a second opening thereon wherein said locking pin may enter from said first opening on a first side of the trailer coupler, passes through said first opening on said latch and further wherein said locking pin may exit via said second opening on a second side of the trailer coupler after passing through said second opening on said latch.