| 摘要 |
PURPOSE:To enable a device to individually separately open and close each of the upper and bottom doors while simultaneously opened and closed by dividing the door, which covers a car body back opening, into two steps of upper and bottom doors while providing a frame member turnably on a common axis with the bottom part door and mounting the frame member removably to the bottom part door through a connection release part. CONSTITUTION:A door covers a back opening 2 in a car body 1 of one-box type wagon car or the like, and forming the door from an upper part door 3 and a bottom part door 4, a frame member 6 is provided turnably on a common axis with a turn axis of the bottom part door 4. A connection release part, comprising an operating rod and an insertion hole or the like, is provided between the frame member 6 and the bottom part door 4, and the frame member 6 is removably mounted to the bottom part door 4. By integrally respectively opening and closing the upper part door 3, bottom part door 4 and the frame member 6, the opening 2 enables its total unit to be opened and closed, while by stopping the frame member 6 to a car body side, each door 3, 4 of upper and bottom parts can be individually separately opened and closed. |
