| 摘要 |
Herein disclosed a suction cup including: a suction cup body formed from an elastic material and having a surface on one side in the thickness direction thereof as a concave suction surface; and a spring element provided as a part of the suction cup body, having a concave shape along the suction surface, and capable of elastic deformation such as to energize a central part of the suction surface away from a surface to be sucked in the condition where the suction surface is in suction contact with the surface to be sucked.
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