High lift bag device
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United States of America Patent
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Mar 21, 2017
Grant Date -
Dec 8, 2016
app pub date -
Jun 5, 2015
filing date -
Jun 5, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A lifting device, configured to expand in a first direction between a deflated configuration and an inflated configuration upon being filled with compressed gas, may have a continuous surface including a bottom surface, a lower and upper intermediate surfaces and a top surface. A bottom plate may be coupled to at least part of bottom surface and a top plate may be coupled to at least part of the top surface. The continuous surface may include a plurality of surface undulations that provide a low height profile when in the deflated configuration and a higher height profile when in the inflated configuration. The plurality of surface undulations may vary between a first and second height when in the deflated configuration, but in the inflated configuration the variance between the relative heights of any remaining undulations is relatively smaller.
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