Pneumatic chair jack
Abstract:
A multi-cell inflatable jack includes a plurality of jack elements. Each of the plurality of jack elements includes a body having a predetermined perimeter shape and defining a perimeter chamber and a central chamber. A valve is coupled to the body and configured to provide air flow to one of the perimeter chamber or the central chamber. A plurality of flow control stringers are located between the first chamber portion and the second chamber portion and are configured to control an air flow rate into each of the perimeter chamber and the central chamber. At least one fastener is formed on the body and configured to attach the jack element to at least one additional jack element in a multi-cell stack.
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