SIDE BOLSTER APPARATUS FOR AUTOMOBILE SEAT

摘要

PURPOSE: A side bolster device for a vehicle is provided to improve ride comfort by surrounding the back of passenger by projecting a side bolster from both front sides of a seat back, when inflating a seat. CONSTITUTION: A side bolster device for a vehicle comprises a presser part(210), a bolster member(220) and an external force delivery member(300). A seat back(120) is formed on one side of a seat back and rotates around a rotary shaft of the seat back. The bolster member is projected from the front both sides part of the seat back. The external force delivery member gives the external force of the presser part to the bolster member when the seat back is inflated. The bolster member is projected from the upper side of the seat back by the external force delivery member.