| 摘要 |
PROBLEM TO BE SOLVED: To prevent any unexpected accident by performing detaching operation for guide roller from rails at a place other than a storage space. SOLUTION: In an upper roller device 5 and a lower roller device 4 at the door end side of a partition door, vertical guide wall 13c and 13d roll on the running surfaces of vertical guide walls 13c and 13d formed in the rail with the tip portion of the guide roller 29 inserted in the rail, a horizontal roller 29b larger than the width of a rail groove is provided, widened width portion 13e and 13f of the rail groove is formed in a manner detaching the horizontal roller 29a, at the time of storing the partition door 1, the horizontal roller 29a is positioned to a widened width portion 13e of the rail groove, a pinion gear 50 is set to an interlocked state to racks 53A and 53B, and the horizontal roller 29b is detached from the upper and lower rails 12 and 13.
|
