| 摘要 |
A drinking vessel for dieters keeps track of water consumed during a 24-hour period using liquid level markers for 4, 8, 16 or 24 ounce water consumption. The vessel is preferably a glass having an integrally attached T cross section ring over which is moved a rider carrying a marker that points to an indicia on the glass outer surface The rider has a V shaped projection that engages with one of a plurality of notches present on the upper surface of the T cross section ring. Engagement between the rider and the V shaped projection is secured by a spring within the rider, preventing accidental displacement thereof. The user drinks water, pushes the rider upwards to clear the projection of the rider from the notch of the ring, and advances the rider according to volume of water consumed. The position of rider tracks the volume of water consumed during a 24-hour period. The rider may be removed and replaced after cleaning the drinking glass. Tracking of water consumption remains accurate and reliable over a prolonged period of time despite repeated cleaning of the vessel in domestic or commercial dishwashers.
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