US Patent 11864669 Merchandiser including track door system

A refrigerated merchandiser includes a case defining and separating a product display area from an ambient environment, the case having a frame defining one or more openings to the product display area. An upper track is connected to the case and extends at least partially along the frame. A first door and a second door are moveably connected to the upper track. The first door is configured to move between a closed positioned adjacent the frame and a first open position where the first door is positioned over the second door. The second door is configured to move between a closed positioned adjacent the frame and a second open position where the second door is positioned over the first door.