| 摘要 |
A desk chair mat has a substantially planar upper surface suitable for interaction with a chair support structure, a perimeter defining an outer edge of the mat, a lower surface parallel to the upper surface. An array of generally blunt ended and laterally elongated projections extends downwardly from the lower surface for engagement with a carpet. A decorative pattern is also formed on the lower surface that is visible through the upper surface. Each projection has a smooth end surface spaced below the lower surface by a distance sufficient to penetrate into the carpet pile. The array is generally a regular pattern of the projections that can be arranged at an angle with respect to each nearest neighbor to provide enhanced resistance to lateral movement of the mat with respect to the carpet to protect the decorative pattern from abrasion.
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