摘要 |
A spring type paper cushion having a columnar body, at least four cushioning recesses, at least four projections and a receiving portion. The columnar body has a columnar wall and an axis. The cushioning recesses and the projections are formed on the columnar wall. The projections are respectively located between two of the cushioning recesses. The receiving portion is recessed into the columnar wall and is located at one of the cushioning recesses. The receiving portion has two receiving mountain-fold lines, two slits and a bottom. The slits are cut so that the two receiving mountain-fold lines can be folded allowing the bottom to sink into the body.
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