| 摘要 |
PROBLEM TO BE SOLVED: To allow a user to easily adjust a holding force of a folded accordion door in response to seasons and a temperature change in the use environment of the accordion door.SOLUTION: A cord 60 is provided with a lock body 62 which can move into and out of a stopper case 42. The lock body 62 can be locked and unlocked by a cam 52. The cam 52 is always energized by a coil spring 54. The cord 60 is held in a state wound around a cord reel 46 by locking the lock body 62 by the cam 52 with an energizing force by the coil spring 54. The locking of the cam 52 to the lock body 62 can be released against the energizing force of the coil spring 54 in response to a drawing force of the cord 60. An adjusting device 56 is installed which can adjust the energizing force of the coil spring 54 from the outside of an accordion door body. |
