Patent attributes
A seat cushion for a chair or separately usable, includes a support base having a top and bottom, a fluid bladder supported by the support base above at least part of the top of the support base, the fluid bladder having a fluid chamber forming plural bladder sections, a biasing member in the fluid chamber tending to bias the fluid chamber to an at least partly expanded condition, a resilient retaining covering over the fluid bladder holding the fluid bladder on the support base, a valve mechanism in fluid coupled relation to the fluid bladder to provide and to exhaust fluid from the fluid chamber, a mechanical connection of the valve mechanism to the support base, mechanical coupling and restricted fluid flow coupling of the bladder sections. A seating apparatus, e.g., a chair, including the seat cushion. A bladder-type fluidic seat cushion in a kit.