Patent ID: 8205627

Claim:
A quick folding structure for a post unit of a tent frame, comprising i) upper, middle and lower posts, ii) an upper connector, disposed between the upper and middle posts, comprising ii.A) a first upper connecting portion, further including a partially spherical 1 st upper head, and a non-spherical 1 st upper tail extended and connected with said upper post, and ii.B) a second upper connecting portion, further including a partially spherical 2 nd upper head received by the partially spherical 1 st upper head, and a non-spherical 2 nd upper tail extended and connected with said middle post, and iii) a lower connector, disposed between the middle and lower posts, comprising iii.A) a first lower connecting portion, further including a partially spherical 1 st lower head, and a non-spherical 1 st lower tail extended and connected with said middle post, and a trough, and iii.B) a second lower connecting portion, including a partially spherical 2 nd lower head received by the partially spherical 1 st lower head, and a non-spherical 2 nd lower tail extended and connected with said lower post, wherein a wire rope including a first end and a second end, the first end of the wire rope connected to an internal portion of the partially spherical first upper head, the second end of the wire rope connected to a pin, a spring and the pin are both disposed in the trough of the first lower connecting portion, and a second end of the pin facing an engaging notch of the second lower connecting portion.