| 摘要 |
<p>A self-erecting shelter (1) having a top, sides and floor made of a one-piece fabric envelope (2) with a built-in armature made from a single and continuous length of steel wire coiled into two loops (4, 7). The entire structure can be folded, twisted and bound into a flat circular package for transportation and storage. When released, the collapsed structure instantaneously springs back into a complete and fully erected shelter.</p> |
