| 摘要 |
<p>The door (1) has opposed and vertical uprights (2, 3), and guiding devices (8) formed of slides (15) arranged on each upright for guiding a flexible curtain or apron (5). The curtain or apron has tubes (6, 9) receiving horizontal reinforcing cross-pieces (7) and a threshold bar (10), and a driving unit (4) for displacing the curtain or apron between opening and closed positions, where the unit is constituted of a gear motor. The cross-pieces and the bar are made of a recyclable, light natural material such as bamboo or rattan.</p> |
