Description: A hauler apparatus includes a lower bracket having a first support arm with a first support arm opening extending there through. The hauler apparatus includes an upper bracket having a second support arm with a second support arm opening extending there through. The hauler apparatus includes a frame arm, which extends through the first support arm opening, and has a distal end which terminates within the second support arm opening. The outer shape of the frame arm is different from the inner shape of the first and second support arm openings.
Patent Details: https://www.google.com.ar/patents/US9017002