BOTTOM-HINGED INSWINGING WINDOW

摘要

PROBLEM TO BE SOLVED: To adjust the folding angle of a sash by a plain and simple operation. SOLUTION: A movable stopper device 30 is mounted on the indoor side surface of a stile 8 of the sash 5. The stopper device 30 is provided with an operation member 32 and a movable stopper 33. When the member 32 is operated upward, the stopper 33 is placed into a stopper position, and a sliding piece 20 sliding along the stile 8 of the sash 5 abuts on the stopper 33 in order to decrease the folding angle of the sash 5. When the member 32 is moved downward, the stopper 33 is rocked into a non-stop position, and the sliding piece 20 passes through the stopper 33 and abuts on a fixed stopper 24 so as to increase the folding angle of the sash 5.