Cup and lid using magnetic-based spill-proof seal
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United States of America Patent
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Feb 13, 2018
Issued Date -
N/A
app pub date -
Apr 27, 2016
filing date -
Apr 30, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A cup/lid combination includes a sleeve disposed about an exterior surface of an open-top container for movement relative to the container. A first magnet is disposed adjacent to the open top for movement relative to the container. A link assembly coupled to the sleeve and to the first magnet causes the movement of the sleeve and the movement of the first magnet to be in opposing directions. A drinking lid disposed on the open top has a gravity-controlled closure element and a second magnet coupled to the closure element. The first and second magnets are positioned for magnetic interaction to thereby fix a position of the closure element when the sleeve is only subject to the force of gravity. The first and second magnets are positioned for no magnetic interaction when the movement of the sleeve opposes the force of gravity.
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