| 摘要 |
<p>The present disclosure provides a door arrangement. The door arrangement includes a frame (511) having a first cavity (520), and an elongated member (518) comprising a thread (518a), positioned inside the first cavity. The arrangement also includes a follower (521) movably engaged to the thread at its first periphery and secured to the shutter (500) at its second periphery. The follower is adapted to move along the axial direction with the rotational motion of the thread, thereby causing the movement of the shutter.</p> |
