Pressure-controlling appliance for an inflatable product
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United States of America Patent
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Oct 13, 2015
Grant Date -
Nov 4, 2010
app pub date -
Apr 30, 2010
filing date -
May 2, 2009
priority date (Note) -
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Abstract
A pressure-controlling appliance for an inflatable product has a inflatable body, a pump mounted in the inflatable body, a pump switch and an inflation-deflation valve. The pump inflates or deflates the inflatable bodythrough the inflation-deflation valve. The pressure-controlling appliance also comprises an inflation-deflation controlling mechanism and a pressure-controlling mechanism. The inflation-deflation controlling mechanism is applied to open and close the inflation-deflation valve and to turn the pump switch on or off. The pressure-controlling mechanism operates the inflation-deflation controlling mechanism according to the pressure in the inflatable body that compared with the high or low reference pressure.
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