| 摘要 |
PROBLEM TO BE SOLVED: To provide a revolving door device capable of securing an opening large enough for a passer to pass through in a short time without inspiring fear in the passer. SOLUTION: This revolving door device is provided with a revolving door body 12 revolvable in one direction along the inside of a circular external wall 11 with two doorways 10. The revolving door body 12 is provided with two circular arc doors 13 and sliding doors 15 provided at the circular arc doors 13. The sliding doors 15 are slidable between the storage position and the projecting position of projecting onto the opposite side to the revolving direction. The size of opening can thereby be enlarged in a short time by sliding the sliding doors 15 toward the storage position when revolving the revolving door body 12 from the state of closing the doorways 10 with the circular arc doors 13 and the sliding doors 15 in the projecting position.
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