Patent ID: 8602241

Claim:
A multi-size universal jointed package box, comprising a box body and waterproof pads arranged inside the box body, the box body comprising first and second walls that are opposite to each other, third and fourth walls that are opposite to each other, four corner pieces connecting between the first, second, third, and fourth walls, and a cruciform support bracket connected to a middle portion of each of the first, second, third, and fourth walls, whereby couplings between the first, second, third, and fourth walls and the corner pieces and couplings between the first, second, third, fourth walls and the support bracket are all releasable couplings; wherein the support bracket comprises a cruciform main body and first, second, third, and fourth coupling members formed at four ends of the main body, the first and third coupling members being arranged opposite to each other, the second and fourth coupling members being arranged opposite to each other, the first, second, third, and fourth walls forming first, second, third, and fourth coupling slots respectively corresponding to the first, second, third, and fourth coupling members, the first, second, third, and fourth coupling members being respectively received in and coupled to the first, second, third, and fourth coupling slots to couple the support bracket to the first, second, third, and fourth walls in a releasable manner; and wherein the first, second, third, and fourth coupling members respectively comprise a plurality of resilient coupling keys formed at the four ends of the main body of the support bracket.