Automotive seat with side air bag device

摘要

To break the trim cover effectively and positively for instantaneous emerging of the inflated and expanded air bag from inside the seat, less-elongation stay cloths are provided on the inner surface of the trim cover and in a region over both the front side and lateral trim cover portions where the air bag is to be inflated and expanded, the stay cloths being sewn at one end thereof to the seam line of the trim cover and secured at the other end thereof to the seat back frame, and at least one of the stay cloths is wide enough to be sewn at one side thereof to the entire length of the seam line along which the trim cover is to be broken.