US Patent 9820585 Product management display system with trackless pusher mechanism

A product management display system for merchandising product on a shelf includes at least one tray having a front rounded portion and defining a plurality of apertures and having two sides. A lip may extend upward from the front rounded portion of the at least one tray. A front shelf may extend forward from the lip. The at least one tray may include one divider extending upwardly from each of the two sides and a front wall. The front wall may include a top wall, a bottom wall, and two side legs. The front wall, bottom wall, and two side legs may form a wall aperture and the front wall may include a plurality of projections configured to engage with the plurality of apertures on the tray.