Occupant restraint device

An occupant restraining device in combination with a vehicle seat having a seat back with an upper frame body and a seat cushion supported by a lower frame body, the occupant restraining device for restraining an occupant seated in the vehicle seat, the occupant restraining device comprising:

• a side airbag arranged on a first lateral side of the seat back;
• a tension member arranged over a side portion of the seat back and the seat cushion, and a portion of the tension member provided on an outer surface of the side airbag, the tension member continuously extending from an upper portion of the upper frame body of the vehicle seat adjacent the first lateral side of the seat back to the lower frame body of the vehicle seat, across the lower frame body, and to an upper portion of the upper frame body adjacent a second lateral side of the seat back;
• a traction portion on which a further portion of the tension member is provided, the traction portion stowed on an inside of or below the seat cushion, the traction portion operative to pull the tension member;
• and
• a further side airbag arranged on the second lateral side of the seat back,
• wherein the tension member is connected to the seat back adjacent the first and second lateral sides of the seat back at the respective upper portions of the upper frame body,
• wherein a portion of the tension member arranged on the first lateral side of the seat back is pulled toward a lateral center of the vehicle seat by the traction portion, and
• wherein the upper frame body includes first and second attachments upwardly extending therefrom adjacent the first and second lateral sides of the seat back, respectively, the tension member wrapped around the first and second attachments.