Hanger rail structure of reinforced middle pillar in door device

摘要

PROBLEM TO BE SOLVED: To provide a hanger rail structure of door device reinforcement pillar capable of easily removing a center pillar of a door device having a reinforcement pillar when carrying out replacement or maintenance.SOLUTION: A hanger rail 90 extends in a width direction of an opening of a building and hangs center pillars 9A, 9B, 9C in a movable manner between storage position and installation position. The hanger rail 90 has a part excluding a movement path of the center pillars 9A, 9B, 9C between the storage position and the installation position, and a part or all of the part is detachable as an intermediate hanger rail 90'.SELECTED DRAWING: Figure 40