| 摘要 |
<p>This utility relates to a tent, including a tent frame and a canvas which covers the periphery of frame, characterized in that the frame comprises an umbrella frame to expand it. The umbrella frame comprises an upper center header and tent support bars hinge jointed with and around the upper center header; the support arm comprises a lower center header and support bars hinge jointed with and around the lower center header; outer ends of the support bars hinge joint the upper ends of the tent support bars. This equipment can be operated easily and taken down or fixed up conveniently, quickly and freely like a foldaway umbrella, and also its size can be changed.</p> |
