Andrew David Frankel,Shi-Ping Zheng,Tian-Xia Zheng
申请号：
US14259177
公开号：
US09545137B2
申请日:
2014.04.23
申请国别(地区):
US
年份:
2017
代理人:
摘要：
A foldable frame that can unfold into a complete open structure, and is convenient for converting into a storage container with an upward facing opening. The upper frame body and lower frame body are connected with the central pillars and support rods on both sides, and form a 6-pillar support structure at both ends of the frame, so that the frame can support more weight, realize multi-layer stacking or support other articles, such as desktop or seat surface.
