HEADREST SUPPORTING STRUCTURE AND VEHICULAR SEAT

摘要

PPROBLEM TO BE SOLVED: To efficiently absorb energy upon rear collision as compared with a conventional one. PSOLUTION: The headrest supporting structure 4 of a vehicular seat 1 comprises a seat back 2; a headrest 3 having a head portion supporting portion 5 supporting a head portion of an occupant, and a headrest pillar 6 suspended downward from the head portion supporting portion 5; and a link 14 coupling the seat back 2 and a headrest pillar 6, and tilting the headrest pillar 6 backward while absorbing energy due to a backward load by plastically deforming when a load not less than a predetermined value is added to the head portion supporting portion 5. PCOPYRIGHT: (C)2009,JPO&INPIT