| 摘要 |
A collapsible folding frame assembly for a collapsible folding vehicle barn including two collapsible folding frame units vertically disposed at two opposite sides, and a bridge frame unit connected between the two collapsible folding frame units at the top, each collapsible folding frame being consisted of a plurality of roller-supported upright tubes connected by folding cross frames, the bridge frame being consisted of a plurality of bridge frames, each bridge frame being consisted of two tubes connected by engaging a spring-supported pin on one tube into a pin hole on the other tube.
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