US Patent 11376904 Receiver adapter

A receiver adapter comprising: a hitch post including: (i) a stable post and (ii) a bias post that is movable relative to the stable post between a removable position and a locked position. The receiver adapter may include a bias member that extends from the stable post to the bias post and, upon movement of an adjuster, the bias post moves relative to the stable post to increase a height or a cross-sectional thickness of the hitch post.