| 摘要 |
A frame (1) defines an inclined plane (2) with covering located on this incline. A rain water collector channel (4) is located under the lowest edge (5) of the inclined plane. The vertical plane (6) passes through this lowest edge between the channel two lower inside and outside edges. The lower edge of the channel is situated in the half space (9) formed by the plane and the covering (3). A grill (10) covers the lower part (11) of the covering and the channel as far as its external edge (8). The grill (10) has a slope relative to the horizontal.
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