| 摘要 |
<p>This invention is a collapsible travelling trunk which has a lining layer on its inside surface and a soft cover layer on its outside surface. On its four walls there is a turn of rigid frame and two side walls of these four walls can be folded in a bellows like manner. There are longitudinal lateral grooves and rim on the frame. The engaging portion of two ends of folding portion and middle engaging portion can use hinges or joints. This construction can reduce the overall dimensions of the trunk by a factor of 3, thereby greatly decreasing the costs for storage and transportation, and take up small space when the trunk is stored in a house.</p> |
