Chair has swiveling head rest mounted on support rods on top of back rest, cog on one rod cooperating with catch to fix head rest in desired position

摘要

The chair has a waist support (30) at the base of the back rest (10) and a head rest (20) mounted at its top. This is mounted on support rods (21) and can be swiveled. A cog mounted on one of the rods cooperates with a catch to fix the head rest in the desired position.