US Patent 7562407 Air permeable fabric sheet member

A fabric sheet member includes a cover cloth layer, an inner cloth layer, and two or more longitudinal fabric elements disposed between the cover cloth layer and the inner cloth layer, and secured to the cover cloth layer and the inner cloth layer for forming one or more air circulating spaces between the longitudinal fabric elements and the cover cloth layer and the inner cloth layer. The longitudinal fabric elements may be secured to the cover cloth layer and the inner cloth layer with such as stitches. The longitudinal fabric elements may be made of resilient cotton materials or filament materials. The fabric sheet member may be attached to a pillow, a bed cushion, a seat cushion or the like.