OPENING/CLOSING DEVICE FOR USE IN OPENING

To provide an opening/closing device for use in an opening which is capable of improving the reliability of opening/closing operation while saving a space without increasing the capacity of a driving device, and concurrently preventing passability and ventilation property of the opening.SOLUTION: An opening/closing device 1 for automatically opening/closing an opening part provided in a building includes: an opening frame F; a sheet-like member 2 for closing a space defined inside the opening frame F; a fastener 3 arranged in a substantially U-shaped path C when viewed from a front side at an outer peripheral portion of the sheet-like member 2; a fastener driving device K for opening/closing the fastener 3; a winding drum 14 for winding a tongue piece portion 2A inside the substantially U-shaped path C of the sheet-like member 2; a band-like member 15 for connecting a tip portion of the tongue piece portion 2A with the winding drum 14; and a winding drum driving device M2 for driving the winding drum 14.SELECTED DRAWING: Figure 1 【課題】駆動装置の容量を大きくすることなく、省スペース化を図りながら、開閉動作の信頼性を向上することができるとともに、開口部の通行や通気の妨げにならない開口部開閉装置を提供する。【解決手段】建築物に設けた開口部を自動で開閉する開閉装置１である。開口枠Ｆと、開口枠Ｆ内の空間を塞ぐシート状物２と、シート状物２の外周部の正面視略Ｕ字状経路Ｃに配設したファスナー３と、ファスナー３を開閉するファスナー駆動装置Ｋと、シート状物２における前記略Ｕ字状経路Ｃの内方の舌片部２Ａを巻き取る巻上げドラム１４と、舌片部２Ａの先端部と巻上げドラム１４とを繋ぐ帯状部材１５と、巻上げドラム１４を駆動する巻上げドラム駆動装置Ｍ２とを備える。【選択図】図１