<p>Examiner prepared abstract for 2013222037 A method for reversibly opening a cover for an open top railcar wherein an arm member is used to mount the cover to the railcar, and wherein a lifting station is provided which controls the actuating of the opening and closing of the cover member through the arm member, the lifting station rotating the cover by 90 degrees as the railcar moves along a track into a loading/unloading position and back into a closed position as the railcar moves back along the track.</p>
