Patent ID: 7878590
Filing Date: 2011-02-01
Classification: A47C

Abstract:
1. A chair, comprising: a seat section; a back section including a frame having an upper side, a lower side and lateral sides which form an opening, the lower side being in closer proximity to the seat section than the upper side, and a material portion attached to the frame which extends across the opening, the material portion having an exposed front side and an exposed back side, the back section having a front side and a back side; and a spine support member attached to the back side of the back section and positioned behind the exposed back side of the material portion, the spine support member having an elongated shape with a major axis intersecting the upper and lower sides of the frame, wherein the spine support member comprises a foam layer, a backing layer attaching the spine support member to the frame and an air chamber interposed between the backing layer and the foam layer, the foam layer positioned closer to the exposed back side of the material portion than the backing layer and the air chamber.