| 摘要 |
The present invention provides a top localization mechanism of bell folding tent, in which a top static rib-hub is located on the top center of the whole framewo rk hinged with radial struts, a pole is connected to the bottom side of the top static rib- hub with the tip end in dead joint vertically, a low sliding rib-hub is fit on the pole in moving connection, said low sliding rib-hub is used for hinging to the radial foldable rib set; a spring is set up between the top static rib-huh and the sliding rib-hub, and is in compression state as folding up the tent frame. The top localization mechanism of bell folding tent not only provides a bigger inner space, but also facilitates to operate in pitch-up process saving labor.</SD OAB>
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