| 摘要 |
The present invention has been made to allow easy adjustment to the necessary length corresponding to an opening dimensions of the upper and lower frame material and the right and left side frames of a screen frame, in the case of installing a retractable screen device equipped with a screen winding mechanism in a building opening, and by using the corner linking materials 6 through 9 to link upper and lower frame material 2 and 3 , and right and left side frames 4 and 5 that are cut in an arbitrary length, a screen frame 1 is configured, and is configured such that one edge of the screen 11 is wound on to a winding shaft 12 of the side frame 4 , and the other edge of the screen is linked to a movable rail 13 , and a winding mechanism 30 to propagate the pressing force of an adjustable spring 25 for winding the screen to the winding shaft is provided on to the corner linking material 6 of one edge of the side frame 4 , so as to be capable of insertion to or removal from the winding shaft 12 , and a stopper mechanism 50 wherein the limit of unwinding of the screen 11 by rotation of the winding shaft 12 is adjustable is provide on the winding shaft 12 on the corner linking material 8 of the other edge of the side frame 4 so as to be capable of insertion to or removal from the winding shaft 12.
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