| 摘要 |
PURPOSE: A folding door is provided to variously change the folded state of the door depending on surrounding environment. CONSTITUTION: A folding door comprises guiderails(11,21) and a pair of rollers(31,41,32,42). The guiderails are installed in the top and bottom of door frames(10) and a folding door(20). The rollers are installed in the guiderails and are slid along the guiderails. The rollers open and close the folding door, such as a folding screen, by sliding the folding door. |
