US Patent 11473290 Window for expandable shelter

An expandable shelter includes a ceiling panel that unfolds from a top, a floor panel that unfolds from a bottom, a flexible sidewall having a first end coupled to the ceiling panel and a second end coupled to the floor panel. The flexible sidewall further includes a window disposed in the sidewall, and a shade to cover the window. The shade is configured to transition between a closed state and an open state. A first line and a second line couple to the shade, extend between an interior of the expandable shelter and an exterior of the expandable shelter, and are usable to transition the shade between the closed state and the open state.