| 摘要 |
of the disclosure A lower joint folding preventing device for a one touch type dome shaped tent is disclosed. If the upper joint is locked or released, the lower joint is also locked or released automatically. A connecting portion of the lower joint is provided with a round projection and with an elongated slot, and the middle segment is provided with a socket and a supporting step, in such a manner that the round projection can be mounted upon the supporting step. Further, a coil spring is installed on the neck portion of the lower segment so that the leading end of the coil spring is able to push the tip of the socket. |
