| 摘要 |
PROBLEM TO BE SOLVED: To provide an inexpensive window structure having sufficient penetration resistance. SOLUTION: The window structure 10 includes glass structures 12 and 13 each composed of a rectangular plate glass 15 and a rectangular sash frame 16 surrounding the plate glass 15; a locking fitting 14 arranged at a position corresponding to a crescent receiver 20 arranged at the inner side that is the indoor side of the sash frame 16 on the sash frame in the glass structure 12 and the crescent receiver 20 at the outer side that is the outdoor side of the sash frame 16 on the sash frame 16 in the glass structure 13, composed of a crescent 21 constituted to be engaged with the crescent receiver 20, and coupling the glass structures 12 and 13; and a transparent plate 30 arranged between the plate glass 15 and the crescent receiver 20 in the glass structure 12. COPYRIGHT: (C)2004,JPO
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