| 摘要 |
A drinking device 10 lifted and held by a person's mouth while the person consumes the liquid contents includes a lower base portion 12, an upper mouth portion 14 having an aperture 15 in a top portion 17, and a mid-portion 16 having a relatively cylindrical outer wall 18 integrally joined to the lower base portion 12 and the upper mouth portion 14. The upper mouth portion 14 includes a relatively arcuate first side ridge 35 positioned adjacent to a horizontal portion 33 of an upper end 32 of the outer wall 18, and a substantially right angled second side ridge 36 positioned substantially opposite the first side ridge 34 and adjacent to an arcuate portion 35 of the upper end 32 of the outer wall 18. The aperture 15 is positioned in axial alignment with the outer cylindrical wall 18 of the mid-portion 14.
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