US Patent 10568428 Furniture member having flexible seatback

A furniture member may include a stationary frame assembly and a seatback cushion. The stationary frame assembly may include a stationary base frame, a pair of stationary armrest frames and a stationary seatback frame that is fixed relative to the stationary base frame and the stationary armrest frames. The seatback cushion may include upholstery attached to at least one of the armrest frames. The upholstery may include a portion disposed between the at least one of the armrest frames and the seatback cushion. The portion of the upholstery may be expandable to allow movement of the seatback cushion relative to the stationary base frame, the stationary armrest frames and the stationary seatback frame between an upright position and a reclined position.