| 摘要 |
A DUAL CASEMENT WINDOW STRUCTURE INCLUDES A FRAME (5), A CASEMENT WINDOW (1), AN OUTWARD OPENING WINDOW LEAF (2) AND A LATCH MECHANISM (11). THE FRAME (5) IS MOUNTED IN A WALL OF THE ROOM, AND IS PROVIDED WITH RAILS (51, 52). THE CASEMENT WINDOW (1) IS MOVABLY ATTACHED ON THE CASEMENT FRAME (5) IN A MANNER TO SLIDE ALONG THE RAILS (51, 52). THE CASEMENT WINDOW (1) HAS A MOUNTING SECTION (12) ON ITS OUTER SIDE WHERE IS MOUNTED THE OUTWARDLY OPENING WINDOW LEAF (2). THE OUTWARD OPENING WINDOW LEAF (2) HAS A PLURALITY OF SUPPORTING MEANS (10) TO SUPPORT THE OUTWARD OPENING WINDOW LEAF (2) WHEN THE OUTWARD OPENING WINDOW LEAF (2) IS PUSHED OUTWARDLY. A HINGE (17) IS FURTHER MOUNTED AT AN UPPER PORTION OF THE OUTWARD OPENING WINDOW LEAF (2) TO PIVOTALLY CONNECT TO THE CASEMENT WINDOW (1). (FIG. 5)
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