Cushion with plural zones of foam

Details Cushion with plural zones of foam Cushion with plural zones of foam

A - Human Necessities

47

C

A47C 17/00 (2006.01) A47C 27/15 (2006.01) B68G 7/06 (2006.01)

Patent

CA 2740956

A cushion assembly defining a thickness direction comprises at least one cover-ing layer and a core layer. The core layer compris-es a first member and a second member. The cov-ering layer spans continuously across both the first and second members in a direction generally transverse to the thickness direction, and the first member is disposed adjacent a forward area of the cushion assembly. The second member is dis-posed adjacent a back surface of the first member. The second member has a higher resistance to re-silient deformation than the first member, and the first member has a higher resistance to resilient deformation than the at least one covering layer.

Un ensemble formant coussin définissant une direction d'épaisseur comprend au moins une couche de recouvrement et une couche de cur. La couche de cur comprend un premier élément et un second élément. La couche de recouvrement s'étend continûment en travers des premier et second éléments dans une direction généralement transversale à la direction d'épaisseur, et le premier élément est disposé adjacent à une zone avant de l'ensemble formant coussin. Le second élément est disposé adjacent à une surface arrière du premier élément. Le second élément a une résistance à une déformation élastique plus élevée que le premier élément, et le premier élément a une résistance à une déformation élastique plus élevée que la ou les couches de recouvrement.

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