Abstract: A chair type article of furniture has a seat member which is movable generally horizontally and a back rest which is supported at a lower portion thereof for generally horizontal movement with the seat member and is also articulated to the frame of the article of furniture at a location above the lower portion thereof for rearward reclining when the seat member moves forwardly. An improved support is provided for the lower back region of a seated person, including a back plate positioned forwardly of the back rest, a lower portion of the back plate being supported for generally horizontal movement with the seat member, and the back plate being supported by the back rest at a location above the lower portion of the back rest for rearward reclining of the back plate when the back rest reclines rearwardly.