Patent ID: 9010859
Filing Date: 2015-04-21
Classification: A47C,B68G,Y10T

Abstract:
1. A chair assembly, comprising: a base structure; a seat support structure pivotably coupled to the base structure for rotation about a first pivot point, and wherein the seat support structure includes a seat support surface configured to support a seated user thereon; a back support structure having a forward portion and a rearward portion, the forward portion of the back support structure pivotably coupled to the base structure for rotation about a second pivot point, wherein the back support structure includes an upwardly extending portion adapted to move between an upright position and a reclined position; a control link having a first end pivotably coupled to a rearward portion of the seat support structure for rotation about a third pivot point, and a second end pivotably coupled to the rearward portion of the back support structure for rotation about a fourth pivot point; a back support surface that is generally forwardly facing and configured to support a back of a seated user, and having an upper portion pivotably coupled to the upwardly extending portion of the back support structure for rotation about a fifth pivot point, and a lower portion; and a back link pivotably coupled to the lower portion of the back support surface for rotation about a sixth pivot point and pivotably coupled to the seat support structure for rotation about a seventh pivot point, wherein the back support surface is moved forward by the back link relative to the upwardly extending portion of the back support structure as the back support structure is moved from the upright position to the reclined position.