CUSHION SYSTEM AND VALVE THEREOF
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United States of America Patent
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Issued Date -
Nov 23, 2017
app pub date -
Apr 25, 2017
filing date -
May 17, 2016
priority date (Note) -
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Abstract
A valve comprises a base, a cover and a sealing member. The base comprises a passage structure and a retaining member; the cover comprises a corresponding retaining member and at least one hole, and the cover is movably combined with the base and switchable between a first state and a second state relative to the base; a sealing member is disposed between the passage structure and the cover. In the first state, the cover closes the passage structure by the sealing member to prevent the flow of the fluid between the cover and the base; in the second state, at least one fluid channel is formed between the cover and the passage structure and is in communication with the at least one hole, and the retaining member and the corresponding retaining member prevent the cover from being separated from the base when the cover moves relative to the base.
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