| 摘要 |
PURPOSE: To reduce frictional sounds when an aperture is opened or closed and to reduce manufacturing man-hours and labor. CONSTITUTION: In a curved surface door device wherein arcuate door bodies 9, 10 are provided and the door bodies 9, 10 are moved along an arcuate path A to open or close apertures 5, 6, the bodies 9, 10 are rotatably connected to a center axis 30 provided at the center of the path A so as to be suspended thereby. And balancers 60, 61 which balance with the bodies 9, 10 with respect to the axis 30, as a fulcrum, are provided. |
