| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem wherein access to a building internal space is inhibited unless moving the whole of a shutter curtain. SOLUTION: A shutter 21 for opening/closing a building entrance 17 is installed. The shutter 21 includes the shutter curtain 22 that can close the building entrance 17. A vestibule porch closing portion 22A which is a part of the shutter curtain 22 is turnable by a turning shaft part 35 around a center axis extending in a vertical direction. An entrance 17b of a vestibule porch 13 is opened by turning the vestibule porch closing portion 22A. When the vestibule porch closing portion 22A is disposed in a turning position, a communicating part 16 serving for communication between an inner garage 12 and the vestibule porch 13 is closed. COPYRIGHT: (C)2010,JPO&INPIT
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