Multi-layer cushion and cover

Details Multi-layer cushion and cover Multi-layer cushion and cover

A - Human Necessities

47

C

A47C 27/10 (2006.01) A47C 4/54 (2006.01) A61G 5/10 (2006.01)

Patent

CA 2592512

A multi-layer cushion (10) having a shaped base (26) on which is positioned a resilient, cushioning layer (28). The shaped base (26) is constructed from a supportive foam and has front (44) and lateral bolsters (51,52). The cushioning layer is an inflatable air cell cushion having a flexible base (57) and an array of individual air cells (58) arranged in rows across the flexible base. Rows of cells around the perimeter of the air cell cushion are configured to provide comfortable transition areas between the bolsters and the air cell cushion. The cushion includes a cover (30) that has a lower compartment (100) for the foam base and an upper compartment (98) for the air cell layer. The cover functions to keep the air cell layer in place on the foam layer.

La présente concerne un coussin multicouche (10) ayant une base formée (26) sur laquelle est placée une couche de calage souple (28). La base formée (26) est faite d'une mousse de soutien et est pourvue de traversins avant (44) et latéraux (51,52). La couche de calage est un coussin à alvéoles d'air gonflables ayant une base souple (57) et un réseau d'alvéoles d'air individuelles (58) disposés en rangées dans la base flexible. Les rangées d'alvéoles autour du périmètre du coussin à d'alvéoles d'air sont agencées pour fournir des zones de transition entre les traversins et le coussin à alvéoles d'air. Le coussin comporte une couche de dessus (30) qui a un compartiment inférieur (100) pour la base de mousse et un compartiment supérieur (98) pour la couche de cellules d'air. La couche de dessus a pour fonction de garder la couche de cellules d'air en place sur la couche de mousse.

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