| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnet screen device which has a vertical type screen which is fed in a vertical direction in a state of being horizontally fixed to even a concave blackboard or the like when used, and allows the screen to be used without wrinkles and sagging of a screen surface and allows easy setting a fixing angle and expanding the screen.SOLUTION: The magnet screen device includes a screen sheet 2 having a screen surface 2a on the front side and having a magnetic force on the rear side and a body part 10 having a take-up roll 4 for taking up the screen sheet 2. In particular, rotating addition means 7 is provided which further rotates the take-up roll 4 in a feeding direction by a prescribed amount in a state where the screen sheet 2 fed from the take-up roll 4 is magnetically attached to an attachment surface 90. |
