Overdoor opening / closing device

摘要

To provide an overdoor opening / closing device capable of automatically opening and closing overdoor curtains without impairing the original advantage of the overdoor opening / closing device.SOLUTION: The over door opening / closing device 1 comprises a pair of left and right guide rails 10 each having a vertical rail portion 11 and a horizontal rail portion 12, an over door curtain 20 in which a plurality of slats 21 are rotatably connected, . Furthermore, at a position on the back side of the storage space 3 and below the horizontal rail portion than the vertical rail portion of each guide rail, the center line is disposed so as to be rotatable around the center line along the upper edge of the doorway 2 A rotating body 60, a driving body 61 mounted on the rotating body, and an electric motor for rotationally driving the rotating body. The driving body 61 has a plurality of engaging portions 69 that engage with the connecting portions between the slats on the back side of the over door curtain.BACKGROUND OF THE INVENTION