| 摘要 |
PROBLEM TO BE SOLVED: To stop a screen at an arbitrary position.SOLUTION: A roll screen device includes: a roller 2 rewound with a screen 1; a front frame 3 fitted to a drawing-out edge of the screen 1, a pair of right and left guide rails 4 guiding both ends of the front frame 3; a rack-shaped member provided along at least one of the pair of right and left guide rails 4; a shaft 7 provided rotatably to the front frame 3 and fitted with a pinion gear engaging the rack-shaped member; lock means of locking the shaft 7 to the front frame 3; and operation means 9 of releasing the shaft 7 from being locked by the lock means. |
