Patent ID: 6092871
Filing Date: 2000-07-25
Classification: A47C

Abstract:
A seating unit having a seat, a back, and a lumbar support incorporated in the lumbar region of the back, wherein the lumbar support comprises:a lumbar support element having a shape which is arcuate about an axis that extends generally transversely of the seat back, the element extending outwardly of the back for providing support to the lumbar region of a person using the seating unit;a carrier for the lumbar support element pivotally coupled to the back for movement about an axis parallel to said axis of the lumbar support element, between positions in which the support element provides respectively maximum and minimum support for the lumbar region of a person using the seating unit; and,locking means operable by a said person for locking the carrier in each of said maximum and minimum support positions and in any of a number of intermediate positions for providing different degrees of lumbar support;wherein the lumbar support element is coupled to said carrier at a location intermediate top and bottom end portions of the element, one of which portions abuts the carrier and the other of which abuts the chair back, and wherein the element is resiliently flexible so that its curvature varies between a maximum in said maximum support position of the lumbar support element, and a minimum in said minimum support position of the element.