To provide a screen capable of maintaining satisfactory flatness of a screen surface.
The screen 1 includes a pressurizing part 6 for pressurizing an end of a screen body 2 onto an outer side by connecting a movable fulcrum 53 in a link mechanism 5 with the end of the screen body 2 on a side where the movable fulcrum 53 approaches when each arm part 51, 52 is extended. The pressurizing part 6 includes a movable part 61 connected with the end of the screen body 2 and moving along the direction in which a basic part 3 and a pulling-up member 4 oppose to each other, a rod 62 having one end connected with the movable part 61 and extended toward the movable fulcrum 53, an insertion part 63 connected with the movable fulcrum 53 to turn centering on a shaft crossing the screen surface substantially orthogonally and letting the rod 62 advance and retract by inserting the other end side of the rod 62 into it, and a biasing part 64 provided in the insertion part 63 and abutted on the rod 62 inserted into the insertion part 63 to bias it onto a movable part 61 side.
JPS5345250 | ANISOTROPIC DIFFUSING PLATE |
JPH07219051 | IN-VEHICLE PROJECTION SCREEN |
WO/1998/033328 | PROJECTION TELEVISIONS WITH HOLOGRAPHIC SCREENS HAVING CENTER TO EDGE VARIATIONS |