Patent attributes
An adjustable chair headrest, relating to the technical field of office chairs, comprises a support rod connected to a chair back and a headrest, and further comprises an elastic sliding mechanism connecting the headrest and the support rod. The elastic sliding mechanism is provided with a lock mechanism and comprises a stop block, a sliding push rod and an elastic telescoping mechanism, and an end, away from the stop block, of the sliding push rod is connected to the headrest. One end of the sliding push rod stretches into a groove of the support rod, and a gap is reserved between the sliding push rod and one end of the stop block. A tension spring is disposed in the gap and has two ends respectively connected to the sliding push rod and the stop block. The headrest can extend and retract horizontally when users change their posture.