| 摘要 |
PROBLEM TO BE SOLVED: To provide an installation structure for a projection screen enabling a housing case to be quickly installed on a body and the installation of the receiving body to be made reliably at any position of the body. SOLUTION: A rolling up roll for rolling up a projection screen is rotatably provided on a housing case 2, and the housing case 2 is installed on the body through a plurality of fixing members 3. The positions in the rotation axis direction Y of the fixing members 3, 3 relative to the housing case 2 are changeable. COPYRIGHT: (C)2005,JPO&NCIPI
|
