| 摘要 |
<p>The collapsible transport truck (1) has three sides, two of them (3,4) wheeled (9) and flexibly coupled to the third (2). The bottom (5) is a flexible composite member (5a-5c) which (when extended) rests on bars (11,12,13) welded to the sides. The truck is folded by folding the bottom against the side without the wheel (2), after which the wheeled sides (3,4) are folded against the bottom.</p> |
