| 摘要 |
<p>A door system includes a non-folded door leaf (10) on which at least two barrels (20) are fixed on one side, and a frame (12) having two vertical legs (14, 16), one of which bears pivot hinges (24) for the barrels (20), the hinges (24) being arranged symmetrically in height relative to a horizontal center plane (B) of the frame (12), and fixing devices (22, 28) for fixing the barrels (20) on the door leaf (10) and for fixing the hinges (24) on the frame (12) such that each barrel and hinge has a 180° rotational symmetry relative to a horizontal axis (E, F).</p> |
