Patent ID: 9327625
Filing Date: 2016-05-03
CPC Classification: B60N

Claim Text:
1. A vehicle seat comprising: a seat back which has a backrest support surface that is configured to be variable in shape to support a seat occupant; a plurality of air bags that are located behind a support surface portion of the seat back and change the shape of the backrest support surface upon introduction or discharge of air thereinto or therefrom; and a control device that is configured to control the introduction and discharge of air into and from the air bags, wherein the control device introduces air into each of the plurality of air bags to set each air bag to a prescribed air bag state before the seat occupant sits on the vehicle seat and controls the introduction and discharge of air into and from each air bag based on a state of change in the air in each air bag that occurs when the seat occupant sits on the vehicle seat with the air bags in the prescribed air bag state to change the shape of the backrest support surface to a shape that conforms to a unique sitting position of the seat occupant.