Chair backrest has a frame covered by a knitted fabric, with a strip of denser stitches around the back, to give back support without forming local pressure zones

摘要

The chair has a backrest (3) formed by a frame (4) covered by a knitted fabric (5). The frame has two upright supports (6) and a curved bow member (7) between their upper ends. The knitted fabric has a strip (9) of denser stitches between the uprights, shorter than the upper curved bow and at a gap below it.