US Patent 7726489 Packaging box

A packaging box includes a top plate, a bottom plate, two side plates, a front plate, and a rear plate. The packaging box has two shock absorbers extending from the bottom end of the two side plates respectively. Each of the shock absorbers includes a lower surface, a first side surface, an upper surface, and a second side surface extending from the bottom end of the corresponding side plate in sequence. The second side surface is formed opposite to the first side surface and is adjacent to the corresponding side plate.