Abstract: An adjustable headrest for use with the dental chairs and the like which can be tilted forward or backward with respect to the backrest of the chair. The headrest is adjusted with one hand by vertically pulling a lever to disengage a clutch mechanism while simultaneously moving the headrest to the selected inclination.

Abstract: The dental chair is provided which has pivotally connected back, seat and footrest sections, the seatrest being journaled in turn to a base member. A motor carried by the seat and connected to the backrest provides for articulation of the backrest relative to the seat. A link extending between the back and footrest provides for articulation of the footrest relative to seat and a cam connected between the link and seat provides for articulation of the seat about the base member; all movements being accomplished simultaneously upon operation of the motor.