| 摘要 |
FIELD: construction, particularly screening or protective devices for openings, with or without operating or securing mechanisms. ^ SUBSTANCE: door assembly comprises the first flexible door and the second door with at least one rigid lower edge. The second door may define slot between the wall and the rigid lower edge of the second door during lifting mechanism movement towards opened position. Flexible door is at least partly arranged between the second door and wall and may move in the slot between opened and closed positions as the second door is installed in opened position. When the second door is installed in opened position and the first door arranged in the closed position the first flexible door may be supported by lower edge of the second door. ^ EFFECT: simplified structure. ^ 17 cl, 20 dwg |
