| 摘要 |
The hinged door for a building opening (1) has two leaves (20g, 20d) comprised of spaced bars. The leaves have an L shape on the top view and are each hinged at the end of the foot of the L about a vertical lateral edge of the opening frame. The symmetrically located leaves in the frame are, when closed, in alignment in the opening, the feet of the Ls being parallel and facing the frame lateral edges. In the open position the leaves are disengaged laterally along the two sides of the frame. The two leaves are disengaged above open hinged flaps (2g,2d). The angle formed by each leaf follows the angle formed by the corner of each lateral edge of the opening. The vertical edges of the fitted end of each leaf has complementary locks (9h,9b,12h,12b).
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