| 摘要 |
An elastic deformable cushion comprises: an elastoplastic curved piece made of elastoplastic material, and at least two elastoplastic ribs. At least two non-spiral grooves are formed in a periphery wall of the elastoplastic curved piece, and the non-spiral grooves are not in communication with and separated from one another. The at least two elastoplastic ribs are formed in the at least two non-spiral grooves of the elastoplastic curved piece, the elastoplastic ribs are integral with the elastoplastic curved piece, and each of the two elastoplastic ribs have a curved portion.
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