Patent ID: 7494188

Claim:
A headrest for an office chair comprising: a headrest body for a head of a user to rest on, provided with a layer of soft material wrapped around said headrest body and two shafts in an inner portion; two connecting blocks respectively provided with a hollow column combined with said shafts of said headrest body, two projecting blocks extending from said hollow columns respectively, said projecting block having a through hole for a fastener to fit in for fixing with a support frame; said support frame has a shape of Y, provided with a ball-shaped end respectively formed at an outer end of two side rod portions, said ball-shaped end provided with a center slot for said two projecting blocks to fit stably therein, a hook respectively extending from an intermediate portion of said two side rod portions, a recess formed in a lower portion of said support frame; a hook with a shape of L and having two curved ends; and said ball-shaped end of said support frame is provided with a threaded hole.