SEAT BACKREST HAVING AN ADJUSTABLE LUMBAR SUPPORT

摘要

SEAT BACKREST HAVING AN ADJUSTABLE LUMBAR SUPPORT A seat backrest having a contourable upholstered portion supported by a rigid frame includes means to impart a curvature to the upholstered portion to produce a desired supporting contour in the lumbar area of the seat's occupant. The contourproducing means includes a lumbar pad, a flexible member connecting the lumbar pad to the frame, and means operable from the side of the backrest for moving and holding the connecting member in a plurality of positions.