Patent ID: 11864658
Assignee: FORMWAY FURNITURE LIMITED
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 18:
19. A chair support shell comprising an integral back portion, seat portion, and joining portion between the back portion and the seat portion, wherein at least a major portion of the support shell comprises a compliant structure, the compliant structure having a plurality of cells interconnected by a plurality of resilient members, wherein each of the plurality of cells has a side and each of the plurality of cells is interconnected to at least one other of the plurality of cells by at least one of the plurality of resilient members extending therebetween, and wherein a plurality of voids are defined in spaces between the plurality of cells interconnected by the plurality of resilient members; wherein the compliant structure provides compliance in the seat portion, compliance in the back portion, and compliance in the joining portion, wherein the compliant structure enables recline of the back portion relative to the seat portion, and wherein the plurality of cells and the plurality of resilient members together define an auxetic structure; and wherein the back portion of the support shell comprises a structural region extending in an up/down direction, the structural region comprising a solid region or relatively stiff region to provide reduced compliance in the structural region relative to adjacent region(s), the structural region being positioned away from outer side edges of the back portion.