Patent ID: 7201438

Claim:
A chair comprising: a generally stationary frame; a seat on the frame having a frame member; a back on the frame; means including a link pivoted on the frame member between a rear end of the seat and a lower end of the back for synchronous shifting of the seat and back between a sitting position with the back generally vertical and the seat generally horizontal and shifted rearward on the frame and a relaxed position with the back less vertical and the seat shifted forward on the frame; a headrest on the frame above an upper end of the back; a flexible cover over the headrest, back, and seat; a pivot defining a horizontal pivot axis fixed at the upper end of the back and carrying the headrest for pivoting the headrest between a generally horizontal position extending rearward from the pivot axis and an erect position extending upward from an upper end of the back; and means including a main link having an upper end pivoted on the headrest at an axis parallel to but offset from the pivot axis and a lower end; a lever centrally pivoted on the frame, having one end pivoted on the lower end of the main link and an opposite end; and a rigid secondary link having one end pivoted on the opposite end and another end pivoted on the back for pivoting the headrest about the axis into the erect position on shifting of the back and seat into the relaxed position and for pivoting the headrest about the axis into the horizontal position on shifting of the back and seat into the sitting position.