Patent ID: 9650805
Date: 2017-05-16
CPC Classifications: E04H

Claim:
1. A top connecting apparatus for placing a shelter in a folded and an unfolded state, the apparatus comprising: a connecting piece comprising a plurality of radially arranged connecting bosses, each connecting boss comprising first and second sidewalls, a top portion, a bottom portion, an outer portion, an inner portion, and a first pivoting structure; and a pivoting member having a connecting rod part, the connecting rod part having an attachment portion for attaching a shelter rod to the pivoting member, a bifurcated coupler link, the bifurcated coupler link having a link slot comprising first and second link sidewalls, and a second pivoting structure, whereby the pivoting member is pivotally interconnected to a corresponding connecting boss, wherein the first pivoting structure further comprises a first connecting slot, the first connecting slot comprising first and second slot walls, a slot opening, a slot bottom, and an arc surface, the arc surface located at the slot bottom, and wherein each connecting boss further comprises a female buckle structure, the female buckle structure comprising a groove, and an arc gear face.