Patent ID: 6499805
Filing Date: 2002-12-31
Classification: B60N

Abstract:
A headrest comprising:(1) a stay frame assembly having a base frame having at least one leg part extending downward, said leg part serving to attach the headrest to a seat; a head frame connected to a top part of said base frame so as to freely tilt said head frame backward and forward with respect to said base frame; and a head angle adjusting mechanism for adjusting a tilting angle of said head frame with respect to said base frame; (2) an inner cover having a box part for containing said head frame and said head angle adjusting mechanism; and a plate part connected to a bottom of said box part so as to leave a gap between said plate part and the bottom of said box part, at last one slot communicating with an inner space of said box part being formed on said plate part, said leg part of said base frame extending outside said inner cover through said slot, said inner cover tilting backward and forward together with said head frame; (3) a surface material having an inner space and an opening communicating with said inner space, an outline of the surface material corresponding to an outline of the headrest; and (4) a foamed cushion pad molded together with said surface material such that a liquid expandable material is foamed in said inner space of said surface material so as to cover around said box part of said inner cover, a rim part of said opening of said surface material inserted in said gap between said bottom of said box part of said inner cover and said plate part thereof being held in said gap by said foamed cushion pad.