Internal structural configurations of bladders used in...

Details Internal structural configurations of bladders used in... Internal structural configurations of bladders used in...

A - Human Necessities

61

G

A61G 7/057 (2006.01) A47C 27/10 (2006.01) A47C 27/18 (2006.01)

Patent

CA 2702703

A bladder comprising an outer and inner surface having a length, height and width, first and second ends, and an internal volume. A support structure is disposed within the bladder and has a length, width, height as well as an inner and outer region. The outer region of the support structure comprises support projections which define openings in the outer region of the support structure. The support projections have an engaging end which contacts the inner surface of the bladder and exerts force upon the inner surface of the bladder. The support projections maintain the internal volume of the bladder in a no-load sate. The openings in the support structure allow air to move freely in the bladder versus a solid support structure lacking openings. This aids in distribution of air within the bladder and provides air-like pressure management and comfort in addition to the structural support provided by foam inserts.

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