Patent ID: 7753210

Claim:
A damper system, for transportation of a container, comprising: a packaging box storing a container containing work products in a vertical state to be protected from damage upon impact; a lower damper, located in a lower space between lower surfaces of the packaging box and container, the lower damper having a lower body portion and lower impact-absorbing leg sections, wherein the lower body portion has upper and lower surfaces and four side surfaces defining four corners of the lower body portion and wherein the lower impact-absorbing leg sections are respectively located at the four corners of the lower body portion and extend a distance h 1 from the lower surface of the lower body portion toward the lower surface of the packaging box; and an upper damper, located in an upper space between upper surfaces of the packaging box and container, the upper damper having an upper body portion and upper impact-absorbing leg sections, wherein the upper body portion has upper and lower surfaces and four side surfaces defining four corners of the upper body portion and wherein the upper impact-absorbing leg sections are respectively located at the four corners of the upper body portion and extend a distance h 2 from the upper surface of the upper body portion toward the upper surface of the packaging box; and wherein h 1 is greater than h 2 and the lower damper has an opening, which penetrates through the lower damper, for distributing impact, applied from the outside, to the lower impact-absorbing leg sections, the opening being centered relative to the lower damper, the upper damper has an opening, which penetrates through the upper damper, for distributing impact, applied from the outside, to the upper impact-absorbing leg sections, the opening being centered relative to the upper damper, and the area of the opening centered relative to the upper damper is larger than the area of the opening centered relative to the lower damper.