| 摘要 |
PURPOSE: A sliding door is provided to improve exterior when the door is closed by horizontally maintaining the front surface of the door and a wall, and to improve soundproof and insulation properties. CONSTITUTION: A sliding door comprises a door frame(100), a door(200), a rail part, and a rolling device. The door frame is installed in a wall. The door is moved in the door frame along the rail part. The rail part is composed of a front rail and a rear rail. The rolling device is moved by being coupled to the front rail and the rear rail. |
