Patent ID: 9605441
Date: 2017-03-28
CPC Classifications: E04H

Claim:
1. A frame top connecting structure for selectively placing a tent frame in a folded state or an unfolded state, the frame top connecting structure comprising: a connecting piece comprising a plurality of radially arranged connecting grooves, each connecting groove comprising a top portion, a lateral wall, first and second sidewalls, and for each sidewall, a longitudinal positioning groove recessed into the sidewall for engaging a pin, the pin having a pin cross-section and a pin length, the pin length sufficient to engage the longitudinal positioning grooves, the longitudinal positioning groove having a front longitudinal edge and a back longitudinal edge; and a plurality of top levers, each top lever having an inner end, the inner end having an inner-end cross-section and including a pin hole for receiving the pin, whereby each top lever is movably interconnected to a corresponding one of the longitudinal positioning grooves, wherein the lateral wall is formed at an outer periphery of a bottom portion of the corresponding connecting groove and between the first and second sidewalls of the corresponding connecting groove such that the lateral wall connects the first and second sidewalls of the corresponding connecting groove, and wherein the top portion is formed between the first and second sidewalls of the corresponding connecting groove and has a bottom surface sloping downward with respect to a central axis of the connecting piece, such that the inner end of a corresponding top lever rests against the bottom surface of the top portion in an unfolded state and the corresponding top lever tilts downward in the unfolded state.