Chair back with lumbar and pelvic supports

Details Chair back with lumbar and pelvic supports Chair back with lumbar and pelvic supports

A - Human Necessities

47

C

A47C 7/46 (2006.01)

Patent

CA 2600312

An office chair (10) is provided having a back assembly (24) which is configured to provide supplemental support to the back of a chair occupant in addition to the support provided by the primary support surface (31) of the chair back. The chair back includes a lumbar support unit (28) having a lumbar support pad (91) wherein asymmetric support is provided to the left and right halves of the lumbar pad (91). As such, the asymmetric support loads are independently adjustable to more comfortably support a chair occupant. The chair back also includes a pelvic support pad (29) which is disposed vertically adjacent to the lumbar support (28).

L'invention porte sur un fauteuil de bureau doté d'un dossier qui est configuré de manière à fournir un support supplémentaire au dos d'une personne assise dans le fauteuil en plus du support fourni par la surface de support primaire du dossier du fauteuil. Ce dossier de fauteuil comprend une unité de support pour les lombaires équipée d'un coussinet de support pour les lombaires, un support asymétrique étant prévu sur la moitié gauche et la moitié droite du coussinet pour les lombaires. Ainsi, les charges du support asymétrique peuvent être réglées indépendamment les unes des autres afin de soutenir de manière plus confortable une personne assise dans le fauteuil. Ce dossier de fauteuil comprend aussi un coussinet de support pour le bassin qui est disposé dans le sens vertical contre le support pour les lombaires.

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