Patent ID: 8721001

Claim:
A headrest comprising: a front casing; a rear casing fixed to the front casing; a headrest support fixed between the front casing and the rear casing, the headrest support comprising a metal plate and a stationary rod, the metal plate being fixed to a top of the stationary rod and clamped between the front casing and the rear casing, the stationary rod being fixed to the rear casing and extending downwardly beyond the rear casing; a support member supporting a bottom side and a rear side of the rear casing; and a restricting member mounted to the support member, wherein the rear casing comprises a recessed section and a peripheral section enclosing the recessed section, the recessed section comprising an upper embossment and a lower embossment below the upper embossment, the stationary rod comprising a horizontal lever abutting against a top side of the upper embossment and a pair of vertical levers extending downwardly from lateral sides of the horizontal lever, the vertical levers clamping opposite sides of the upper embossment, wherein the lower embossment comprises a pair of first holes, the peripheral section comprises a pair of second holes corresponding to the first holes, and the vertical levers extend through the first holes and the second holes in turn and extend beyond the peripheral section, and wherein the support member comprises a pair of through holes through which the vertical levers extend and a protrusion extending downwardly, the restricting member comprises a bottom U-shaped portion surrounding the protrusion and a pair of transverse portions horizontally extending from opposite sides of the U-shaped portion, each transverse portion comprising a sleeve portion received in the through holes, the vertical levers extend through the sleeve portions and extend beyond the support member, and the vertical levers are positioned at lateral sides of the U-shaped portion and the protrusion.