A - Human Necessities – 47 – C
Patent
A - Human Necessities
47
C
A47C 27/08 (2006.01) A47C 4/54 (2006.01) A61G 7/057 (2006.01)
Patent
CA 2068363
A fluid cushion is provided herein. The fluid cushion includes at least two spaced-apart openings which are adapted to interface with the ischial spines of a sitting user of the fluid cushion. The fluid cushion includes a fluid-tight, closed housing having an upper surface member and a lower surface member. Each of the upper surface member and the lower surface member have at least two openings which are formed therethrough. The openings which are formed through the upper surface member are substantially-vertically aligned with the openings which are formed through the lower surface member. Tubular means are provided for joining the openings in the upper surface member and the openings in the lower surface member in fluid-tight relation defining a pair of vertically-directed through passages having tubular sidewall members of varying cross-sectional diameters when taken with respect to a vertical direction. The fluid-tight, closed housing and the tubular means define an internal chamber containing a fluid medium. The tubular sidewall members define an apex diameter having a greater dimension than a diameter of the openings in the upper surface member and the openings in the lower surface member at a predetermined vertical position between the upper surface member and the lower surface member.
Borden Ladner Gervais Llp
Sereboff Joel L.
LandOfFree
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