| 摘要 |
PROBLEM TO BE SOLVED: To provide a projection screen that can be carried and also made large-sized, has simple constitution, and is low-cost.SOLUTION: There is provided a projection screen 1 which has a rectangular frame 2 and a rectangular projection curtain 3 which is flexible and spread having four sides locked to the frame. The projection screen has hooking members 22 fitted to respective four enclosing frame sides 21 of the frame 2 with gaps α left with the frame sides along a frame side length, and a plurality of hook members 31 fitted to respective edge parts of the four sides of the projection curtain 3 at an interval along edges. The hook members 31 are hooked to the hooking members 22 and then the corresponding sides of the projection curtain 3 are locked to the respective frame sides 21 of the frame 2, so that the projection curtain 3 is held in a spread state on the frame 2. |
