Vehicle seat and manufacturing method for the same

A vehicle seat provided with a seat cushion and a seat back,

• wherein the seat back comprises:
• a seat back frame including a pair of left and right side frames extending in a vertical direction and an upper frame connecting upper ends of the side frames to each other;
• an airbag module supported to an upper half of the seat back frame via a bracket;
• and
• a skin member covering the seat back frame, the bracket, and the airbag module from a rear side thereof, and
• wherein a part of the skin member corresponding to the airbag module is provided with a breakable portion configured to open upon inflation of an airbag;
• the bracket is joined to the upper frame;
• the bracket defines a housing portion for housing the airbag module;
• the airbag module includes the airbag, an inflator configured to inflate the airbag causing the airbag to protrude from the back of the seatback and deploy rearward and obliquely upward;
• the bracket is positioned to partially overlap the upper frame in a vertical direction;
• and
• the bracket is joined to left and right side frames at left and right edges, respectively.

A manufacturing method for a vehicle seat, the method comprising:

• forming a seat cushion;
• and
• forming the seat back by:
• preparing a seat back frame including a pair of left and right side frames extending in a vertical direction and an upper frame connecting upper ends of the side frames to each other;
• supporting an airbag module to an upper half of the seat back frame via a bracket;
• and
• covering the seat back frame, the bracket, and the airbag module with a skin member from a rear side thereof,
• wherein a part of the skin member corresponding to the airbag module is provided with a breakable portion configured to open upon inflation of an airbag;
• the bracket is joined to the upper frame;
• the bracket defines a housing portion for housing the airbag module;
• the airbag module includes the airbag, an inflator configured to inflate the airbag causing the airbag to protrude from the back of the seatback and deploy rearward and obliquely upward;
• the bracket is positioned to partially overlap the upper frame in a vertical direction;
• and
• the bracket is joined to the seatback frame at a pair of left and right upper tongues provided at upper edges of the bracket, and at a pair of left and right lower tongues provided at lower parts of the bracket.