| 摘要 |
PROBLEM TO BE SOLVED: To provide expansion ceiling structure capable of improving the appearance. SOLUTION: A ceiling panel 50 is arranged between separated ceiling boards 1, 2, one end of the ceiling panel 50 is connected rotatably on one ceiling board 1 side, the central section of the ceiling panel 50 is hung elastically by a spring mechanism 40, and a guide plate 32 downwards pushing out the other end of the ceiling panel 50 when a space between the separated ceiling boards 1, 2 is shrunk is installed on the other ceiling board 2 side. Accordingly, this structure is formed in constitution, in which the ceiling panel 50 spring out to a lower section at the time of an earthquake, and a ceiling finishing material 52 is mounted on the underside side of the ceiling panel 50. |
