| 摘要 |
PROBLEM TO BE SOLVED: To provide a door mechanism attached shutter device capable of harmonizing interests between a user of door mechanisms provided in a shutter curtain and a manufacturer of a shutter device and favorable to both of them. SOLUTION: When a plurality of door mechanisms 50 to 53 are provided to the shutter curtain 20, a group of door mechanisms 56 consisting of a plurality of door mechanisms 50 and 51 or a group of door mechanisms 52 and 53 consisting of a plurality of door mechanisms 52 and 53 are constituted of the door mechanisms 50 to 53, the door mechanisms 50 and 51 constituting a group of door mechanisms 56 or the door mechanisms 52 and 53 constituting a group of door mechanisms 57 are arranged in the neighborhood. By the constitution, the installation of a large sized door mechanism can be prevented.
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