US Patent 9945179 Removable step ladder for recreational vehicle

In one embodiment of the invention, a ladder and method for removably mounting the ladder on a recreational vehicle is disclosed. The ladder may be removed and used as a standard step ladder. The ladder includes a top end and two pairs of legs extending downward from the top end. At least one of the pairs of legs is pivotally mounted to the top end, and a pivoting limiting mechanism is provided to allow the pairs of legs to fold adjacent one another or unfold to a use position as a step ladder. An upper mounting arrangement is attached to the recreational vehicle. The arrangement includes two free ends extending downwardly therefrom; and the top end of the ladder includes receivers for receiving free ends of the upper mounting arrangement.